Home / 77,704.10-116,339.13-42,037.88

Finding the Fourth Proportional to 77,704.10, 116,339.13 and 42,037.88

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Solution

The fourth proportional to 77,704.10, 116,339.13 and 42,037.88 is: 62,939.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,704.10 : 116,339.13 = 42,037.88 : x
  2. Step 2: Convert to fraction form
    77,704.10/116,339.13 = 42,037.88/x
  3. Step 3: Cross multiply
    77,704.10x = 116,339.13 × 42,037.88
  4. Step 4: Simplify right side
    77,704.10x = 4,890,650,386.24
  5. Step 5: Solve for x
    x = 4,890,650,386.24/77,704.10
  6. Step 6: Final answer
    x = 62,939.41

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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.