Home / 90,632.52-125,070.24-50,345.28

Finding the Fourth Proportional to 90,632.52, 125,070.24 and 50,345.28

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Solution

The fourth proportional to 90,632.52, 125,070.24 and 50,345.28 is: 69,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,632.52 : 125,070.24 = 50,345.28 : x
  2. Step 2: Convert to fraction form
    90,632.52/125,070.24 = 50,345.28/x
  3. Step 3: Cross multiply
    90,632.52x = 125,070.24 × 50,345.28
  4. Step 4: Simplify right side
    90,632.52x = 6,296,696,252.47
  5. Step 5: Solve for x
    x = 6,296,696,252.47/90,632.52
  6. Step 6: Final answer
    x = 69,475.02

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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.