Home / 101,543.28-152,346.06-45,430.62

Finding the Fourth Proportional to 101,543.28, 152,346.06 and 45,430.62

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Solution

The fourth proportional to 101,543.28, 152,346.06 and 45,430.62 is: 68,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,543.28 : 152,346.06 = 45,430.62 : x
  2. Step 2: Convert to fraction form
    101,543.28/152,346.06 = 45,430.62/x
  3. Step 3: Cross multiply
    101,543.28x = 152,346.06 × 45,430.62
  4. Step 4: Simplify right side
    101,543.28x = 6,921,175,960.36
  5. Step 5: Solve for x
    x = 6,921,175,960.36/101,543.28
  6. Step 6: Final answer
    x = 68,159.86

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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.