Home / 98,239.17-147,358.88-42,074.70

Finding the Fourth Proportional to 98,239.17, 147,358.88 and 42,074.70

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Solution

The fourth proportional to 98,239.17, 147,358.88 and 42,074.70 is: 63,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,239.17 : 147,358.88 = 42,074.70 : x
  2. Step 2: Convert to fraction form
    98,239.17/147,358.88 = 42,074.70/x
  3. Step 3: Cross multiply
    98,239.17x = 147,358.88 × 42,074.70
  4. Step 4: Simplify right side
    98,239.17x = 6,200,080,457.96
  5. Step 5: Solve for x
    x = 6,200,080,457.96/98,239.17
  6. Step 6: Final answer
    x = 63,112.10

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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.