Home / 74,045.12-111,060.48-40,754.24

Finding the Fourth Proportional to 74,045.12, 111,060.48 and 40,754.24

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Solution

The fourth proportional to 74,045.12, 111,060.48 and 40,754.24 is: 61,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,045.12 : 111,060.48 = 40,754.24 : x
  2. Step 2: Convert to fraction form
    74,045.12/111,060.48 = 40,754.24/x
  3. Step 3: Cross multiply
    74,045.12x = 111,060.48 × 40,754.24
  4. Step 4: Simplify right side
    74,045.12x = 4,526,185,456.44
  5. Step 5: Solve for x
    x = 4,526,185,456.44/74,045.12
  6. Step 6: Final answer
    x = 61,127.40

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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.