Home / 101,443.04-152,065.66-42,295.62

Finding the Fourth Proportional to 101,443.04, 152,065.66 and 42,295.62

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Solution

The fourth proportional to 101,443.04, 152,065.66 and 42,295.62 is: 63,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,443.04 : 152,065.66 = 42,295.62 : x
  2. Step 2: Convert to fraction form
    101,443.04/152,065.66 = 42,295.62/x
  3. Step 3: Cross multiply
    101,443.04x = 152,065.66 × 42,295.62
  4. Step 4: Simplify right side
    101,443.04x = 6,431,711,264.67
  5. Step 5: Solve for x
    x = 6,431,711,264.67/101,443.04
  6. Step 6: Final answer
    x = 63,402.20

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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.