Home / 77,555.16-116,333.28-42,475.68

Finding the Fourth Proportional to 77,555.16, 116,333.28 and 42,475.68

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Solution

The fourth proportional to 77,555.16, 116,333.28 and 42,475.68 is: 63,713.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,555.16 : 116,333.28 = 42,475.68 : x
  2. Step 2: Convert to fraction form
    77,555.16/116,333.28 = 42,475.68/x
  3. Step 3: Cross multiply
    77,555.16x = 116,333.28 × 42,475.68
  4. Step 4: Simplify right side
    77,555.16x = 4,941,335,174.63
  5. Step 5: Solve for x
    x = 4,941,335,174.63/77,555.16
  6. Step 6: Final answer
    x = 63,713.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.