Home / 96,928.80-145,400.40-34,591.20

Finding the Fourth Proportional to 96,928.80, 145,400.40 and 34,591.20

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Solution

The fourth proportional to 96,928.80, 145,400.40 and 34,591.20 is: 51,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,928.80 : 145,400.40 = 34,591.20 : x
  2. Step 2: Convert to fraction form
    96,928.80/145,400.40 = 34,591.20/x
  3. Step 3: Cross multiply
    96,928.80x = 145,400.40 × 34,591.20
  4. Step 4: Simplify right side
    96,928.80x = 5,029,574,316.48
  5. Step 5: Solve for x
    x = 5,029,574,316.48/96,928.80
  6. Step 6: Final answer
    x = 51,889.37

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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.