Home / 53,139.38-73,331.55-29,266.07

Finding the Fourth Proportional to 53,139.38, 73,331.55 and 29,266.07

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Solution

The fourth proportional to 53,139.38, 73,331.55 and 29,266.07 is: 40,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,139.38 : 73,331.55 = 29,266.07 : x
  2. Step 2: Convert to fraction form
    53,139.38/73,331.55 = 29,266.07/x
  3. Step 3: Cross multiply
    53,139.38x = 73,331.55 × 29,266.07
  4. Step 4: Simplify right side
    53,139.38x = 2,146,125,908.85
  5. Step 5: Solve for x
    x = 2,146,125,908.85/53,139.38
  6. Step 6: Final answer
    x = 40,386.74

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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.