Home / 57,799.15-86,681.45-30,082.03

Finding the Fourth Proportional to 57,799.15, 86,681.45 and 30,082.03

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Solution

The fourth proportional to 57,799.15, 86,681.45 and 30,082.03 is: 45,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,799.15 : 86,681.45 = 30,082.03 : x
  2. Step 2: Convert to fraction form
    57,799.15/86,681.45 = 30,082.03/x
  3. Step 3: Cross multiply
    57,799.15x = 86,681.45 × 30,082.03
  4. Step 4: Simplify right side
    57,799.15x = 2,607,553,828.93
  5. Step 5: Solve for x
    x = 2,607,553,828.93/57,799.15
  6. Step 6: Final answer
    x = 45,114.05

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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.