Home / 63,706.06-87,842.13-40,705.49

Finding the Fourth Proportional to 63,706.06, 87,842.13 and 40,705.49

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Solution

The fourth proportional to 63,706.06, 87,842.13 and 40,705.49 is: 56,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,706.06 : 87,842.13 = 40,705.49 : x
  2. Step 2: Convert to fraction form
    63,706.06/87,842.13 = 40,705.49/x
  3. Step 3: Cross multiply
    63,706.06x = 87,842.13 × 40,705.49
  4. Step 4: Simplify right side
    63,706.06x = 3,575,656,944.29
  5. Step 5: Solve for x
    x = 3,575,656,944.29/63,706.06
  6. Step 6: Final answer
    x = 56,127.42

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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.