Home / 98,374.29-147,569.55-31,825.11

Finding the Fourth Proportional to 98,374.29, 147,569.55 and 31,825.11

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Solution

The fourth proportional to 98,374.29, 147,569.55 and 31,825.11 is: 47,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,374.29 : 147,569.55 = 31,825.11 : x
  2. Step 2: Convert to fraction form
    98,374.29/147,569.55 = 31,825.11/x
  3. Step 3: Cross multiply
    98,374.29x = 147,569.55 × 31,825.11
  4. Step 4: Simplify right side
    98,374.29x = 4,696,417,161.40
  5. Step 5: Solve for x
    x = 4,696,417,161.40/98,374.29
  6. Step 6: Final answer
    x = 47,740.29

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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.