Home / 74,888.52-112,301.55-30,485.13

Finding the Fourth Proportional to 74,888.52, 112,301.55 and 30,485.13

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Solution

The fourth proportional to 74,888.52, 112,301.55 and 30,485.13 is: 45,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,888.52 : 112,301.55 = 30,485.13 : x
  2. Step 2: Convert to fraction form
    74,888.52/112,301.55 = 30,485.13/x
  3. Step 3: Cross multiply
    74,888.52x = 112,301.55 × 30,485.13
  4. Step 4: Simplify right side
    74,888.52x = 3,423,527,350.95
  5. Step 5: Solve for x
    x = 3,423,527,350.95/74,888.52
  6. Step 6: Final answer
    x = 45,714.98

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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.