Home / 93,589.21-129,152.80-51,147.73

Finding the Fourth Proportional to 93,589.21, 129,152.80 and 51,147.73

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Solution

The fourth proportional to 93,589.21, 129,152.80 and 51,147.73 is: 70,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,589.21 : 129,152.80 = 51,147.73 : x
  2. Step 2: Convert to fraction form
    93,589.21/129,152.80 = 51,147.73/x
  3. Step 3: Cross multiply
    93,589.21x = 129,152.80 × 51,147.73
  4. Step 4: Simplify right side
    93,589.21x = 6,605,872,543.14
  5. Step 5: Solve for x
    x = 6,605,872,543.14/93,589.21
  6. Step 6: Final answer
    x = 70,583.70

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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.