Home / 77,437.68-106,901.55-51,934.72

Finding the Fourth Proportional to 77,437.68, 106,901.55 and 51,934.72

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Solution

The fourth proportional to 77,437.68, 106,901.55 and 51,934.72 is: 71,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,437.68 : 106,901.55 = 51,934.72 : x
  2. Step 2: Convert to fraction form
    77,437.68/106,901.55 = 51,934.72/x
  3. Step 3: Cross multiply
    77,437.68x = 106,901.55 × 51,934.72
  4. Step 4: Simplify right side
    77,437.68x = 5,551,901,853.94
  5. Step 5: Solve for x
    x = 5,551,901,853.94/77,437.68
  6. Step 6: Final answer
    x = 71,695.09

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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.