Home / 82,040.64-123,070.14-25,888.74

Finding the Fourth Proportional to 82,040.64, 123,070.14 and 25,888.74

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Solution

The fourth proportional to 82,040.64, 123,070.14 and 25,888.74 is: 38,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,040.64 : 123,070.14 = 25,888.74 : x
  2. Step 2: Convert to fraction form
    82,040.64/123,070.14 = 25,888.74/x
  3. Step 3: Cross multiply
    82,040.64x = 123,070.14 × 25,888.74
  4. Step 4: Simplify right side
    82,040.64x = 3,186,130,856.22
  5. Step 5: Solve for x
    x = 3,186,130,856.22/82,040.64
  6. Step 6: Final answer
    x = 38,836.01

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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.