Home / 97,731.20-146,596.80-64,051.40

Finding the Fourth Proportional to 97,731.20, 146,596.80 and 64,051.40

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Solution

The fourth proportional to 97,731.20, 146,596.80 and 64,051.40 is: 96,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.20 : 146,596.80 = 64,051.40 : x
  2. Step 2: Convert to fraction form
    97,731.20/146,596.80 = 64,051.40/x
  3. Step 3: Cross multiply
    97,731.20x = 146,596.80 × 64,051.40
  4. Step 4: Simplify right side
    97,731.20x = 9,389,730,275.52
  5. Step 5: Solve for x
    x = 9,389,730,275.52/97,731.20
  6. Step 6: Final answer
    x = 96,077.10

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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.