Home / 99,280.08-137,006.50-53,958.16

Finding the Fourth Proportional to 99,280.08, 137,006.50 and 53,958.16

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Solution

The fourth proportional to 99,280.08, 137,006.50 and 53,958.16 is: 74,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280.08 : 137,006.50 = 53,958.16 : x
  2. Step 2: Convert to fraction form
    99,280.08/137,006.50 = 53,958.16/x
  3. Step 3: Cross multiply
    99,280.08x = 137,006.50 × 53,958.16
  4. Step 4: Simplify right side
    99,280.08x = 7,392,618,648.04
  5. Step 5: Solve for x
    x = 7,392,618,648.04/99,280.08
  6. Step 6: Final answer
    x = 74,462.26

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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.