Home / 98,947.29-148,406.61-32,390.07

Finding the Fourth Proportional to 98,947.29, 148,406.61 and 32,390.07

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Solution

The fourth proportional to 98,947.29, 148,406.61 and 32,390.07 is: 48,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,947.29 : 148,406.61 = 32,390.07 : x
  2. Step 2: Convert to fraction form
    98,947.29/148,406.61 = 32,390.07/x
  3. Step 3: Cross multiply
    98,947.29x = 148,406.61 × 32,390.07
  4. Step 4: Simplify right side
    98,947.29x = 4,806,900,486.36
  5. Step 5: Solve for x
    x = 4,806,900,486.36/98,947.29
  6. Step 6: Final answer
    x = 48,580.42

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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.