Home / 90,775.86-125,252.13-53,042.82

Finding the Fourth Proportional to 90,775.86, 125,252.13 and 53,042.82

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Solution

The fourth proportional to 90,775.86, 125,252.13 and 53,042.82 is: 73,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,775.86 : 125,252.13 = 53,042.82 : x
  2. Step 2: Convert to fraction form
    90,775.86/125,252.13 = 53,042.82/x
  3. Step 3: Cross multiply
    90,775.86x = 125,252.13 × 53,042.82
  4. Step 4: Simplify right side
    90,775.86x = 6,643,726,186.21
  5. Step 5: Solve for x
    x = 6,643,726,186.21/90,775.86
  6. Step 6: Final answer
    x = 73,188.25

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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.