Home / 98,085.02-147,105.63-45,487.66

Finding the Fourth Proportional to 98,085.02, 147,105.63 and 45,487.66

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Solution

The fourth proportional to 98,085.02, 147,105.63 and 45,487.66 is: 68,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,085.02 : 147,105.63 = 45,487.66 : x
  2. Step 2: Convert to fraction form
    98,085.02/147,105.63 = 45,487.66/x
  3. Step 3: Cross multiply
    98,085.02x = 147,105.63 × 45,487.66
  4. Step 4: Simplify right side
    98,085.02x = 6,691,490,881.53
  5. Step 5: Solve for x
    x = 6,691,490,881.53/98,085.02
  6. Step 6: Final answer
    x = 68,221.33

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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.