Home / 58,189.20-87,288.48-28,194.72

Finding the Fourth Proportional to 58,189.20, 87,288.48 and 28,194.72

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Solution

The fourth proportional to 58,189.20, 87,288.48 and 28,194.72 is: 42,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,189.20 : 87,288.48 = 28,194.72 : x
  2. Step 2: Convert to fraction form
    58,189.20/87,288.48 = 28,194.72/x
  3. Step 3: Cross multiply
    58,189.20x = 87,288.48 × 28,194.72
  4. Step 4: Simplify right side
    58,189.20x = 2,461,074,252.83
  5. Step 5: Solve for x
    x = 2,461,074,252.83/58,189.20
  6. Step 6: Final answer
    x = 42,294.35

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1.5x scale

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.