Home / 85,248.05-127,908.93-45,759.03

Finding the Fourth Proportional to 85,248.05, 127,908.93 and 45,759.03

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Solution

The fourth proportional to 85,248.05, 127,908.93 and 45,759.03 is: 68,658.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248.05 : 127,908.93 = 45,759.03 : x
  2. Step 2: Convert to fraction form
    85,248.05/127,908.93 = 45,759.03/x
  3. Step 3: Cross multiply
    85,248.05x = 127,908.93 × 45,759.03
  4. Step 4: Simplify right side
    85,248.05x = 5,852,988,565.14
  5. Step 5: Solve for x
    x = 5,852,988,565.14/85,248.05
  6. Step 6: Final answer
    x = 68,658.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.