Home / 94,065.24-129,648.42-89,636.16

Finding the Fourth Proportional to 94,065.24, 129,648.42 and 89,636.16

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Solution

The fourth proportional to 94,065.24, 129,648.42 and 89,636.16 is: 123,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,065.24 : 129,648.42 = 89,636.16 : x
  2. Step 2: Convert to fraction form
    94,065.24/129,648.42 = 89,636.16/x
  3. Step 3: Cross multiply
    94,065.24x = 129,648.42 × 89,636.16
  4. Step 4: Simplify right side
    94,065.24x = 11,621,186,518.87
  5. Step 5: Solve for x
    x = 11,621,186,518.87/94,065.24
  6. Step 6: Final answer
    x = 123,543.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.