Home / 97,788.10-146,686.95-51,132.10

Finding the Fourth Proportional to 97,788.10, 146,686.95 and 51,132.10

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Solution

The fourth proportional to 97,788.10, 146,686.95 and 51,132.10 is: 76,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,788.10 : 146,686.95 = 51,132.10 : x
  2. Step 2: Convert to fraction form
    97,788.10/146,686.95 = 51,132.10/x
  3. Step 3: Cross multiply
    97,788.10x = 146,686.95 × 51,132.10
  4. Step 4: Simplify right side
    97,788.10x = 7,500,411,796.10
  5. Step 5: Solve for x
    x = 7,500,411,796.10/97,788.10
  6. Step 6: Final answer
    x = 76,700.66

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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.