Home / 69,608.04-96,053.77-40,928.86

Finding the Fourth Proportional to 69,608.04, 96,053.77 and 40,928.86

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Solution

The fourth proportional to 69,608.04, 96,053.77 and 40,928.86 is: 56,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,608.04 : 96,053.77 = 40,928.86 : x
  2. Step 2: Convert to fraction form
    69,608.04/96,053.77 = 40,928.86/x
  3. Step 3: Cross multiply
    69,608.04x = 96,053.77 × 40,928.86
  4. Step 4: Simplify right side
    69,608.04x = 3,931,371,304.80
  5. Step 5: Solve for x
    x = 3,931,371,304.80/69,608.04
  6. Step 6: Final answer
    x = 56,478.70

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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.