Home / 82,897.15-124,312.90-36,117.31

Finding the Fourth Proportional to 82,897.15, 124,312.90 and 36,117.31

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Solution

The fourth proportional to 82,897.15, 124,312.90 and 36,117.31 is: 54,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,897.15 : 124,312.90 = 36,117.31 : x
  2. Step 2: Convert to fraction form
    82,897.15/124,312.90 = 36,117.31/x
  3. Step 3: Cross multiply
    82,897.15x = 124,312.90 × 36,117.31
  4. Step 4: Simplify right side
    82,897.15x = 4,489,847,546.30
  5. Step 5: Solve for x
    x = 4,489,847,546.30/82,897.15
  6. Step 6: Final answer
    x = 54,161.66

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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.