Home / 95,148.50-142,717.26-28,587.20

Finding the Fourth Proportional to 95,148.50, 142,717.26 and 28,587.20

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Solution

The fourth proportional to 95,148.50, 142,717.26 and 28,587.20 is: 42,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,148.50 : 142,717.26 = 28,587.20 : x
  2. Step 2: Convert to fraction form
    95,148.50/142,717.26 = 28,587.20/x
  3. Step 3: Cross multiply
    95,148.50x = 142,717.26 × 28,587.20
  4. Step 4: Simplify right side
    95,148.50x = 4,079,886,855.07
  5. Step 5: Solve for x
    x = 4,079,886,855.07/95,148.50
  6. Step 6: Final answer
    x = 42,879.15

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1.5x scale

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.