Home / 112,807.92-155,674.32-62,506.80

Finding the Fourth Proportional to 112,807.92, 155,674.32 and 62,506.80

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Solution

The fourth proportional to 112,807.92, 155,674.32 and 62,506.80 is: 86,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,807.92 : 155,674.32 = 62,506.80 : x
  2. Step 2: Convert to fraction form
    112,807.92/155,674.32 = 62,506.80/x
  3. Step 3: Cross multiply
    112,807.92x = 155,674.32 × 62,506.80
  4. Step 4: Simplify right side
    112,807.92x = 9,730,703,585.38
  5. Step 5: Solve for x
    x = 9,730,703,585.38/112,807.92
  6. Step 6: Final answer
    x = 86,259.05

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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.