Home / 99,567.10-137,391.51-59,275.18

Finding the Fourth Proportional to 99,567.10, 137,391.51 and 59,275.18

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Solution

The fourth proportional to 99,567.10, 137,391.51 and 59,275.18 is: 81,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,567.10 : 137,391.51 = 59,275.18 : x
  2. Step 2: Convert to fraction form
    99,567.10/137,391.51 = 59,275.18/x
  3. Step 3: Cross multiply
    99,567.10x = 137,391.51 × 59,275.18
  4. Step 4: Simplify right side
    99,567.10x = 8,143,906,485.72
  5. Step 5: Solve for x
    x = 8,143,906,485.72/99,567.10
  6. Step 6: Final answer
    x = 81,793.15

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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.