Home / 95,421.38-131,681.52-52,980.21

Finding the Fourth Proportional to 95,421.38, 131,681.52 and 52,980.21

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Solution

The fourth proportional to 95,421.38, 131,681.52 and 52,980.21 is: 73,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,421.38 : 131,681.52 = 52,980.21 : x
  2. Step 2: Convert to fraction form
    95,421.38/131,681.52 = 52,980.21/x
  3. Step 3: Cross multiply
    95,421.38x = 131,681.52 × 52,980.21
  4. Step 4: Simplify right side
    95,421.38x = 6,976,514,582.72
  5. Step 5: Solve for x
    x = 6,976,514,582.72/95,421.38
  6. Step 6: Final answer
    x = 73,112.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.