Home / 97,275.65-145,979.10-38,103.93

Finding the Fourth Proportional to 97,275.65, 145,979.10 and 38,103.93

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Solution

The fourth proportional to 97,275.65, 145,979.10 and 38,103.93 is: 57,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,275.65 : 145,979.10 = 38,103.93 : x
  2. Step 2: Convert to fraction form
    97,275.65/145,979.10 = 38,103.93/x
  3. Step 3: Cross multiply
    97,275.65x = 145,979.10 × 38,103.93
  4. Step 4: Simplify right side
    97,275.65x = 5,562,377,407.86
  5. Step 5: Solve for x
    x = 5,562,377,407.86/97,275.65
  6. Step 6: Final answer
    x = 57,181.60

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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.