Home / 95,088.06-131,081.79-72,387.51

Finding the Fourth Proportional to 95,088.06, 131,081.79 and 72,387.51

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Solution

The fourth proportional to 95,088.06, 131,081.79 and 72,387.51 is: 99,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,088.06 : 131,081.79 = 72,387.51 : x
  2. Step 2: Convert to fraction form
    95,088.06/131,081.79 = 72,387.51/x
  3. Step 3: Cross multiply
    95,088.06x = 131,081.79 × 72,387.51
  4. Step 4: Simplify right side
    95,088.06x = 9,488,684,164.34
  5. Step 5: Solve for x
    x = 9,488,684,164.34/95,088.06
  6. Step 6: Final answer
    x = 99,788.39

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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.