Home / 61,151.10-91,726.65-56,339.70

Finding the Fourth Proportional to 61,151.10, 91,726.65 and 56,339.70

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Solution

The fourth proportional to 61,151.10, 91,726.65 and 56,339.70 is: 84,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,151.10 : 91,726.65 = 56,339.70 : x
  2. Step 2: Convert to fraction form
    61,151.10/91,726.65 = 56,339.70/x
  3. Step 3: Cross multiply
    61,151.10x = 91,726.65 × 56,339.70
  4. Step 4: Simplify right side
    61,151.10x = 5,167,851,943.01
  5. Step 5: Solve for x
    x = 5,167,851,943.01/61,151.10
  6. Step 6: Final answer
    x = 84,509.55

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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.