Home / 96,705.18-145,057.12-52,612.18

Finding the Fourth Proportional to 96,705.18, 145,057.12 and 52,612.18

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Solution

The fourth proportional to 96,705.18, 145,057.12 and 52,612.18 is: 78,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,705.18 : 145,057.12 = 52,612.18 : x
  2. Step 2: Convert to fraction form
    96,705.18/145,057.12 = 52,612.18/x
  3. Step 3: Cross multiply
    96,705.18x = 145,057.12 × 52,612.18
  4. Step 4: Simplify right side
    96,705.18x = 7,631,771,307.72
  5. Step 5: Solve for x
    x = 7,631,771,307.72/96,705.18
  6. Step 6: Final answer
    x = 78,917.92

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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.