Home / 58,781.25-81,118.28-31,924.22

Finding the Fourth Proportional to 58,781.25, 81,118.28 and 31,924.22

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Solution

The fourth proportional to 58,781.25, 81,118.28 and 31,924.22 is: 44,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,781.25 : 81,118.28 = 31,924.22 : x
  2. Step 2: Convert to fraction form
    58,781.25/81,118.28 = 31,924.22/x
  3. Step 3: Cross multiply
    58,781.25x = 81,118.28 × 31,924.22
  4. Step 4: Simplify right side
    58,781.25x = 2,589,637,251.53
  5. Step 5: Solve for x
    x = 2,589,637,251.53/58,781.25
  6. Step 6: Final answer
    x = 44,055.50

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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.