Home / 99,279.14-137,005.86-53,957.22

Finding the Fourth Proportional to 99,279.14, 137,005.86 and 53,957.22

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Solution

The fourth proportional to 99,279.14, 137,005.86 and 53,957.22 is: 74,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,279.14 : 137,005.86 = 53,957.22 : x
  2. Step 2: Convert to fraction form
    99,279.14/137,005.86 = 53,957.22/x
  3. Step 3: Cross multiply
    99,279.14x = 137,005.86 × 53,957.22
  4. Step 4: Simplify right side
    99,279.14x = 7,392,455,329.31
  5. Step 5: Solve for x
    x = 7,392,455,329.31/99,279.14
  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.