Home / 91,666.08-137,626.83-47,324.79

Finding the Fourth Proportional to 91,666.08, 137,626.83 and 47,324.79

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Solution

The fourth proportional to 91,666.08, 137,626.83 and 47,324.79 is: 71,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,666.08 : 137,626.83 = 47,324.79 : x
  2. Step 2: Convert to fraction form
    91,666.08/137,626.83 = 47,324.79/x
  3. Step 3: Cross multiply
    91,666.08x = 137,626.83 × 47,324.79
  4. Step 4: Simplify right side
    91,666.08x = 6,513,160,828.12
  5. Step 5: Solve for x
    x = 6,513,160,828.12/91,666.08
  6. Step 6: Final answer
    x = 71,053.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.