Home / 99,281.04-137,007.72-53,958.92

Finding the Fourth Proportional to 99,281.04, 137,007.72 and 53,958.92

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Solution

The fourth proportional to 99,281.04, 137,007.72 and 53,958.92 is: 74,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,281.04 : 137,007.72 = 53,958.92 : x
  2. Step 2: Convert to fraction form
    99,281.04/137,007.72 = 53,958.92/x
  3. Step 3: Cross multiply
    99,281.04x = 137,007.72 × 53,958.92
  4. Step 4: Simplify right side
    99,281.04x = 7,392,788,602.86
  5. Step 5: Solve for x
    x = 7,392,788,602.86/99,281.04
  6. Step 6: Final answer
    x = 74,463.25

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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.