Home / 98,439.52-147,438.96-45,770.08

Finding the Fourth Proportional to 98,439.52, 147,438.96 and 45,770.08

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Solution

The fourth proportional to 98,439.52, 147,438.96 and 45,770.08 is: 68,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,439.52 : 147,438.96 = 45,770.08 : x
  2. Step 2: Convert to fraction form
    98,439.52/147,438.96 = 45,770.08/x
  3. Step 3: Cross multiply
    98,439.52x = 147,438.96 × 45,770.08
  4. Step 4: Simplify right side
    98,439.52x = 6,748,292,994.32
  5. Step 5: Solve for x
    x = 6,748,292,994.32/98,439.52
  6. Step 6: Final answer
    x = 68,552.68

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1.5x scale

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.