Home / 97,306.74-145,675.62-87,968.16

Finding the Fourth Proportional to 97,306.74, 145,675.62 and 87,968.16

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Solution

The fourth proportional to 97,306.74, 145,675.62 and 87,968.16 is: 131,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,306.74 : 145,675.62 = 87,968.16 : x
  2. Step 2: Convert to fraction form
    97,306.74/145,675.62 = 87,968.16/x
  3. Step 3: Cross multiply
    97,306.74x = 145,675.62 × 87,968.16
  4. Step 4: Simplify right side
    97,306.74x = 12,814,816,248.26
  5. Step 5: Solve for x
    x = 12,814,816,248.26/97,306.74
  6. Step 6: Final answer
    x = 131,695.05

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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.