Home / 53,726.05-74,142.28-29,526.76

Finding the Fourth Proportional to 53,726.05, 74,142.28 and 29,526.76

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Solution

The fourth proportional to 53,726.05, 74,142.28 and 29,526.76 is: 40,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,726.05 : 74,142.28 = 29,526.76 : x
  2. Step 2: Convert to fraction form
    53,726.05/74,142.28 = 29,526.76/x
  3. Step 3: Cross multiply
    53,726.05x = 74,142.28 × 29,526.76
  4. Step 4: Simplify right side
    53,726.05x = 2,189,181,307.41
  5. Step 5: Solve for x
    x = 2,189,181,307.41/53,726.05
  6. Step 6: Final answer
    x = 40,747.11

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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.