Home / 98,947.32-148,406.60-32,390.08

Finding the Fourth Proportional to 98,947.32, 148,406.60 and 32,390.08

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Solution

The fourth proportional to 98,947.32, 148,406.60 and 32,390.08 is: 48,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,947.32 : 148,406.60 = 32,390.08 : x
  2. Step 2: Convert to fraction form
    98,947.32/148,406.60 = 32,390.08/x
  3. Step 3: Cross multiply
    98,947.32x = 148,406.60 × 32,390.08
  4. Step 4: Simplify right side
    98,947.32x = 4,806,901,646.53
  5. Step 5: Solve for x
    x = 4,806,901,646.53/98,947.32
  6. Step 6: Final answer
    x = 48,580.41

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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.