Home / 77,901.12-107,592.21-52,363.15

Finding the Fourth Proportional to 77,901.12, 107,592.21 and 52,363.15

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Solution

The fourth proportional to 77,901.12, 107,592.21 and 52,363.15 is: 72,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,901.12 : 107,592.21 = 52,363.15 : x
  2. Step 2: Convert to fraction form
    77,901.12/107,592.21 = 52,363.15/x
  3. Step 3: Cross multiply
    77,901.12x = 107,592.21 × 52,363.15
  4. Step 4: Simplify right side
    77,901.12x = 5,633,867,031.06
  5. Step 5: Solve for x
    x = 5,633,867,031.06/77,901.12
  6. Step 6: Final answer
    x = 72,320.74

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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.