Home / 71,372.37-98,486.65-42,686.33

Finding the Fourth Proportional to 71,372.37, 98,486.65 and 42,686.33

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Solution

The fourth proportional to 71,372.37, 98,486.65 and 42,686.33 is: 58,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,372.37 : 98,486.65 = 42,686.33 : x
  2. Step 2: Convert to fraction form
    71,372.37/98,486.65 = 42,686.33/x
  3. Step 3: Cross multiply
    71,372.37x = 98,486.65 × 42,686.33
  4. Step 4: Simplify right side
    71,372.37x = 4,204,033,438.83
  5. Step 5: Solve for x
    x = 4,204,033,438.83/71,372.37
  6. Step 6: Final answer
    x = 58,902.82

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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.