Home / 58,845.88-81,206.51-31,987.70

Finding the Fourth Proportional to 58,845.88, 81,206.51 and 31,987.70

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Solution

The fourth proportional to 58,845.88, 81,206.51 and 31,987.70 is: 44,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,845.88 : 81,206.51 = 31,987.70 : x
  2. Step 2: Convert to fraction form
    58,845.88/81,206.51 = 31,987.70/x
  3. Step 3: Cross multiply
    58,845.88x = 81,206.51 × 31,987.70
  4. Step 4: Simplify right side
    58,845.88x = 2,597,609,479.93
  5. Step 5: Solve for x
    x = 2,597,609,479.93/58,845.88
  6. Step 6: Final answer
    x = 44,142.59

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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.