Home / 83,090.32-124,653.20-38,089.96

Finding the Fourth Proportional to 83,090.32, 124,653.20 and 38,089.96

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Solution

The fourth proportional to 83,090.32, 124,653.20 and 38,089.96 is: 57,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,090.32 : 124,653.20 = 38,089.96 : x
  2. Step 2: Convert to fraction form
    83,090.32/124,653.20 = 38,089.96/x
  3. Step 3: Cross multiply
    83,090.32x = 124,653.20 × 38,089.96
  4. Step 4: Simplify right side
    83,090.32x = 4,748,034,899.79
  5. Step 5: Solve for x
    x = 4,748,034,899.79/83,090.32
  6. Step 6: Final answer
    x = 57,143.06

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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.