Home / 109,382.80-164,074.20-59,616.40

Finding the Fourth Proportional to 109,382.80, 164,074.20 and 59,616.40

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Solution

The fourth proportional to 109,382.80, 164,074.20 and 59,616.40 is: 89,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,382.80 : 164,074.20 = 59,616.40 : x
  2. Step 2: Convert to fraction form
    109,382.80/164,074.20 = 59,616.40/x
  3. Step 3: Cross multiply
    109,382.80x = 164,074.20 × 59,616.40
  4. Step 4: Simplify right side
    109,382.80x = 9,781,513,136.88
  5. Step 5: Solve for x
    x = 9,781,513,136.88/109,382.80
  6. Step 6: Final answer
    x = 89,424.60

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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.