Home / 71,146.08-98,182.13-39,320.37

Finding the Fourth Proportional to 71,146.08, 98,182.13 and 39,320.37

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Solution

The fourth proportional to 71,146.08, 98,182.13 and 39,320.37 is: 54,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,146.08 : 98,182.13 = 39,320.37 : x
  2. Step 2: Convert to fraction form
    71,146.08/98,182.13 = 39,320.37/x
  3. Step 3: Cross multiply
    71,146.08x = 98,182.13 × 39,320.37
  4. Step 4: Simplify right side
    71,146.08x = 3,860,557,482.39
  5. Step 5: Solve for x
    x = 3,860,557,482.39/71,146.08
  6. Step 6: Final answer
    x = 54,262.41

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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.