Home / 53,159.91-73,362.56-29,288.40

Finding the Fourth Proportional to 53,159.91, 73,362.56 and 29,288.40

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Solution

The fourth proportional to 53,159.91, 73,362.56 and 29,288.40 is: 40,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,159.91 : 73,362.56 = 29,288.40 : x
  2. Step 2: Convert to fraction form
    53,159.91/73,362.56 = 29,288.40/x
  3. Step 3: Cross multiply
    53,159.91x = 73,362.56 × 29,288.40
  4. Step 4: Simplify right side
    53,159.91x = 2,148,671,855.86
  5. Step 5: Solve for x
    x = 2,148,671,855.86/53,159.91
  6. Step 6: Final answer
    x = 40,419.03

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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.