Home / 82,877.20-124,315.80-59,549.20

Finding the Fourth Proportional to 82,877.20, 124,315.80 and 59,549.20

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Solution

The fourth proportional to 82,877.20, 124,315.80 and 59,549.20 is: 89,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,877.20 : 124,315.80 = 59,549.20 : x
  2. Step 2: Convert to fraction form
    82,877.20/124,315.80 = 59,549.20/x
  3. Step 3: Cross multiply
    82,877.20x = 124,315.80 × 59,549.20
  4. Step 4: Simplify right side
    82,877.20x = 7,402,906,437.36
  5. Step 5: Solve for x
    x = 7,402,906,437.36/82,877.20
  6. Step 6: Final answer
    x = 89,323.80

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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.