Home / 89,070.14-122,637.03-75,613.50

Finding the Fourth Proportional to 89,070.14, 122,637.03 and 75,613.50

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Solution

The fourth proportional to 89,070.14, 122,637.03 and 75,613.50 is: 104,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,070.14 : 122,637.03 = 75,613.50 : x
  2. Step 2: Convert to fraction form
    89,070.14/122,637.03 = 75,613.50/x
  3. Step 3: Cross multiply
    89,070.14x = 122,637.03 × 75,613.50
  4. Step 4: Simplify right side
    89,070.14x = 9,273,015,067.91
  5. Step 5: Solve for x
    x = 9,273,015,067.91/89,070.14
  6. Step 6: Final answer
    x = 104,109.13

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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.