Home / 82,088.95-123,140.40-25,914.03

Finding the Fourth Proportional to 82,088.95, 123,140.40 and 25,914.03

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Solution

The fourth proportional to 82,088.95, 123,140.40 and 25,914.03 is: 38,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,088.95 : 123,140.40 = 25,914.03 : x
  2. Step 2: Convert to fraction form
    82,088.95/123,140.40 = 25,914.03/x
  3. Step 3: Cross multiply
    82,088.95x = 123,140.40 × 25,914.03
  4. Step 4: Simplify right side
    82,088.95x = 3,191,063,404.11
  5. Step 5: Solve for x
    x = 3,191,063,404.11/82,088.95
  6. Step 6: Final answer
    x = 38,873.24

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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.