Home / 48,159.12-72,140.76-39,306

Finding the Fourth Proportional to 48,159.12, 72,140.76 and 39,306

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Solution

The fourth proportional to 48,159.12, 72,140.76 and 39,306 is: 58,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,159.12 : 72,140.76 = 39,306 : x
  2. Step 2: Convert to fraction form
    48,159.12/72,140.76 = 39,306/x
  3. Step 3: Cross multiply
    48,159.12x = 72,140.76 × 39,306
  4. Step 4: Simplify right side
    48,159.12x = 2,835,564,712.56
  5. Step 5: Solve for x
    x = 2,835,564,712.56/48,159.12
  6. Step 6: Final answer
    x = 58,879.08

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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.