Home / 91,006.20-136,509.30-59,513.40

Finding the Fourth Proportional to 91,006.20, 136,509.30 and 59,513.40

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Solution

The fourth proportional to 91,006.20, 136,509.30 and 59,513.40 is: 89,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,006.20 : 136,509.30 = 59,513.40 : x
  2. Step 2: Convert to fraction form
    91,006.20/136,509.30 = 59,513.40/x
  3. Step 3: Cross multiply
    91,006.20x = 136,509.30 × 59,513.40
  4. Step 4: Simplify right side
    91,006.20x = 8,124,132,574.62
  5. Step 5: Solve for x
    x = 8,124,132,574.62/91,006.20
  6. Step 6: Final answer
    x = 89,270.10

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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.