Home / 83,535.68-115,280.40-45,807.44

Finding the Fourth Proportional to 83,535.68, 115,280.40 and 45,807.44

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Solution

The fourth proportional to 83,535.68, 115,280.40 and 45,807.44 is: 63,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,535.68 : 115,280.40 = 45,807.44 : x
  2. Step 2: Convert to fraction form
    83,535.68/115,280.40 = 45,807.44/x
  3. Step 3: Cross multiply
    83,535.68x = 115,280.40 × 45,807.44
  4. Step 4: Simplify right side
    83,535.68x = 5,280,700,006.18
  5. Step 5: Solve for x
    x = 5,280,700,006.18/83,535.68
  6. Step 6: Final answer
    x = 63,214.90

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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.