Home / 72,068.56-108,114.36-25,322.96

Finding the Fourth Proportional to 72,068.56, 108,114.36 and 25,322.96

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Solution

The fourth proportional to 72,068.56, 108,114.36 and 25,322.96 is: 37,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,068.56 : 108,114.36 = 25,322.96 : x
  2. Step 2: Convert to fraction form
    72,068.56/108,114.36 = 25,322.96/x
  3. Step 3: Cross multiply
    72,068.56x = 108,114.36 × 25,322.96
  4. Step 4: Simplify right side
    72,068.56x = 2,737,775,613.71
  5. Step 5: Solve for x
    x = 2,737,775,613.71/72,068.56
  6. Step 6: Final answer
    x = 37,988.49

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1.5x scale

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.