Home / 98,300.40-147,327.45-42,074.65

Finding the Fourth Proportional to 98,300.40, 147,327.45 and 42,074.65

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Solution

The fourth proportional to 98,300.40, 147,327.45 and 42,074.65 is: 63,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,300.40 : 147,327.45 = 42,074.65 : x
  2. Step 2: Convert to fraction form
    98,300.40/147,327.45 = 42,074.65/x
  3. Step 3: Cross multiply
    98,300.40x = 147,327.45 × 42,074.65
  4. Step 4: Simplify right side
    98,300.40x = 6,198,750,894.14
  5. Step 5: Solve for x
    x = 6,198,750,894.14/98,300.40
  6. Step 6: Final answer
    x = 63,059.26

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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.