Home / 55,434.60-83,151.90-38,813.40

Finding the Fourth Proportional to 55,434.60, 83,151.90 and 38,813.40

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Solution

The fourth proportional to 55,434.60, 83,151.90 and 38,813.40 is: 58,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,434.60 : 83,151.90 = 38,813.40 : x
  2. Step 2: Convert to fraction form
    55,434.60/83,151.90 = 38,813.40/x
  3. Step 3: Cross multiply
    55,434.60x = 83,151.90 × 38,813.40
  4. Step 4: Simplify right side
    55,434.60x = 3,227,407,955.46
  5. Step 5: Solve for x
    x = 3,227,407,955.46/55,434.60
  6. Step 6: Final answer
    x = 58,220.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.