Home / 82,675.47-114,126.94-55,854.15

Finding the Fourth Proportional to 82,675.47, 114,126.94 and 55,854.15

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Solution

The fourth proportional to 82,675.47, 114,126.94 and 55,854.15 is: 77,102.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,675.47 : 114,126.94 = 55,854.15 : x
  2. Step 2: Convert to fraction form
    82,675.47/114,126.94 = 55,854.15/x
  3. Step 3: Cross multiply
    82,675.47x = 114,126.94 × 55,854.15
  4. Step 4: Simplify right side
    82,675.47x = 6,374,463,225.80
  5. Step 5: Solve for x
    x = 6,374,463,225.80/82,675.47
  6. Step 6: Final answer
    x = 77,102.23

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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.