Home / 94,189.11-129,980.45-51,168.26

Finding the Fourth Proportional to 94,189.11, 129,980.45 and 51,168.26

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Solution

The fourth proportional to 94,189.11, 129,980.45 and 51,168.26 is: 70,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,189.11 : 129,980.45 = 51,168.26 : x
  2. Step 2: Convert to fraction form
    94,189.11/129,980.45 = 51,168.26/x
  3. Step 3: Cross multiply
    94,189.11x = 129,980.45 × 51,168.26
  4. Step 4: Simplify right side
    94,189.11x = 6,650,872,810.61
  5. Step 5: Solve for x
    x = 6,650,872,810.61/94,189.11
  6. Step 6: Final answer
    x = 70,611.91

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1.5x scale

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.