Home / 48,148.29-72,222.63-31,612.95

Finding the Fourth Proportional to 48,148.29, 72,222.63 and 31,612.95

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Solution

The fourth proportional to 48,148.29, 72,222.63 and 31,612.95 is: 47,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,148.29 : 72,222.63 = 31,612.95 : x
  2. Step 2: Convert to fraction form
    48,148.29/72,222.63 = 31,612.95/x
  3. Step 3: Cross multiply
    48,148.29x = 72,222.63 × 31,612.95
  4. Step 4: Simplify right side
    48,148.29x = 2,283,170,391.06
  5. Step 5: Solve for x
    x = 2,283,170,391.06/48,148.29
  6. Step 6: Final answer
    x = 47,419.55

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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.