Home / 66,125.29-91,251.60-37,442.77

Finding the Fourth Proportional to 66,125.29, 91,251.60 and 37,442.77

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Solution

The fourth proportional to 66,125.29, 91,251.60 and 37,442.77 is: 51,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,125.29 : 91,251.60 = 37,442.77 : x
  2. Step 2: Convert to fraction form
    66,125.29/91,251.60 = 37,442.77/x
  3. Step 3: Cross multiply
    66,125.29x = 91,251.60 × 37,442.77
  4. Step 4: Simplify right side
    66,125.29x = 3,416,712,670.93
  5. Step 5: Solve for x
    x = 3,416,712,670.93/66,125.29
  6. Step 6: Final answer
    x = 51,670.29

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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.