Home / 77,717.55-107,250.03-43,726.02

Finding the Fourth Proportional to 77,717.55, 107,250.03 and 43,726.02

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Solution

The fourth proportional to 77,717.55, 107,250.03 and 43,726.02 is: 60,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,717.55 : 107,250.03 = 43,726.02 : x
  2. Step 2: Convert to fraction form
    77,717.55/107,250.03 = 43,726.02/x
  3. Step 3: Cross multiply
    77,717.55x = 107,250.03 × 43,726.02
  4. Step 4: Simplify right side
    77,717.55x = 4,689,616,956.78
  5. Step 5: Solve for x
    x = 4,689,616,956.78/77,717.55
  6. Step 6: Final answer
    x = 60,341.80

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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.