Home / 85,557.42-118,013.63-54,881.97

Finding the Fourth Proportional to 85,557.42, 118,013.63 and 54,881.97

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Solution

The fourth proportional to 85,557.42, 118,013.63 and 54,881.97 is: 75,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,557.42 : 118,013.63 = 54,881.97 : x
  2. Step 2: Convert to fraction form
    85,557.42/118,013.63 = 54,881.97/x
  3. Step 3: Cross multiply
    85,557.42x = 118,013.63 × 54,881.97
  4. Step 4: Simplify right side
    85,557.42x = 6,476,820,226.84
  5. Step 5: Solve for x
    x = 6,476,820,226.84/85,557.42
  6. Step 6: Final answer
    x = 75,701.44

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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.