Home / 93,883.54-129,559.28-56,157.78

Finding the Fourth Proportional to 93,883.54, 129,559.28 and 56,157.78

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Solution

The fourth proportional to 93,883.54, 129,559.28 and 56,157.78 is: 77,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,883.54 : 129,559.28 = 56,157.78 : x
  2. Step 2: Convert to fraction form
    93,883.54/129,559.28 = 56,157.78/x
  3. Step 3: Cross multiply
    93,883.54x = 129,559.28 × 56,157.78
  4. Step 4: Simplify right side
    93,883.54x = 7,275,761,543.20
  5. Step 5: Solve for x
    x = 7,275,761,543.20/93,883.54
  6. Step 6: Final answer
    x = 77,497.73

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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.