Home / 58,308.12-87,401.63-28,277.90

Finding the Fourth Proportional to 58,308.12, 87,401.63 and 28,277.90

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Solution

The fourth proportional to 58,308.12, 87,401.63 and 28,277.90 is: 42,387.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,308.12 : 87,401.63 = 28,277.90 : x
  2. Step 2: Convert to fraction form
    58,308.12/87,401.63 = 28,277.90/x
  3. Step 3: Cross multiply
    58,308.12x = 87,401.63 × 28,277.90
  4. Step 4: Simplify right side
    58,308.12x = 2,471,534,186.66
  5. Step 5: Solve for x
    x = 2,471,534,186.66/58,308.12
  6. Step 6: Final answer
    x = 42,387.48

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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.