Home / 86,177.01-118,885.40-50,350.91

Finding the Fourth Proportional to 86,177.01, 118,885.40 and 50,350.91

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Solution

The fourth proportional to 86,177.01, 118,885.40 and 50,350.91 is: 69,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,177.01 : 118,885.40 = 50,350.91 : x
  2. Step 2: Convert to fraction form
    86,177.01/118,885.40 = 50,350.91/x
  3. Step 3: Cross multiply
    86,177.01x = 118,885.40 × 50,350.91
  4. Step 4: Simplify right side
    86,177.01x = 5,985,988,201.59
  5. Step 5: Solve for x
    x = 5,985,988,201.59/86,177.01
  6. Step 6: Final answer
    x = 69,461.55

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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.