Home / 98,742.39-147,878.10-63,091.68

Finding the Fourth Proportional to 98,742.39, 147,878.10 and 63,091.68

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Solution

The fourth proportional to 98,742.39, 147,878.10 and 63,091.68 is: 94,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,742.39 : 147,878.10 = 63,091.68 : x
  2. Step 2: Convert to fraction form
    98,742.39/147,878.10 = 63,091.68/x
  3. Step 3: Cross multiply
    98,742.39x = 147,878.10 × 63,091.68
  4. Step 4: Simplify right side
    98,742.39x = 9,329,877,764.21
  5. Step 5: Solve for x
    x = 9,329,877,764.21/98,742.39
  6. Step 6: Final answer
    x = 94,487.06

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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.