Home / 99,587.91-137,429.55-54,266.22

Finding the Fourth Proportional to 99,587.91, 137,429.55 and 54,266.22

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Solution

The fourth proportional to 99,587.91, 137,429.55 and 54,266.22 is: 74,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,587.91 : 137,429.55 = 54,266.22 : x
  2. Step 2: Convert to fraction form
    99,587.91/137,429.55 = 54,266.22/x
  3. Step 3: Cross multiply
    99,587.91x = 137,429.55 × 54,266.22
  4. Step 4: Simplify right side
    99,587.91x = 7,457,782,194.80
  5. Step 5: Solve for x
    x = 7,457,782,194.80/99,587.91
  6. Step 6: Final answer
    x = 74,886.42

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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.