Home / 53,419.05-73,722.08-29,545.20

Finding the Fourth Proportional to 53,419.05, 73,722.08 and 29,545.20

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Solution

The fourth proportional to 53,419.05, 73,722.08 and 29,545.20 is: 40,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,419.05 : 73,722.08 = 29,545.20 : x
  2. Step 2: Convert to fraction form
    53,419.05/73,722.08 = 29,545.20/x
  3. Step 3: Cross multiply
    53,419.05x = 73,722.08 × 29,545.20
  4. Step 4: Simplify right side
    53,419.05x = 2,178,133,671.88
  5. Step 5: Solve for x
    x = 2,178,133,671.88/53,419.05
  6. Step 6: Final answer
    x = 40,774.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.