Home / 99,279.08-137,006.19-53,957.06

Finding the Fourth Proportional to 99,279.08, 137,006.19 and 53,957.06

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Solution

The fourth proportional to 99,279.08, 137,006.19 and 53,957.06 is: 74,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,279.08 : 137,006.19 = 53,957.06 : x
  2. Step 2: Convert to fraction form
    99,279.08/137,006.19 = 53,957.06/x
  3. Step 3: Cross multiply
    99,279.08x = 137,006.19 × 53,957.06
  4. Step 4: Simplify right side
    99,279.08x = 7,392,451,421.82
  5. Step 5: Solve for x
    x = 7,392,451,421.82/99,279.08
  6. Step 6: Final answer
    x = 74,461.32

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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.