Home / 90,925.48-125,468.22-50,637.88

Finding the Fourth Proportional to 90,925.48, 125,468.22 and 50,637.88

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Solution

The fourth proportional to 90,925.48, 125,468.22 and 50,637.88 is: 69,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,925.48 : 125,468.22 = 50,637.88 : x
  2. Step 2: Convert to fraction form
    90,925.48/125,468.22 = 50,637.88/x
  3. Step 3: Cross multiply
    90,925.48x = 125,468.22 × 50,637.88
  4. Step 4: Simplify right side
    90,925.48x = 6,353,444,668.17
  5. Step 5: Solve for x
    x = 6,353,444,668.17/90,925.48
  6. Step 6: Final answer
    x = 69,875.29

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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.