Home / 72,475.83-99,987.11-48,610.19

Finding the Fourth Proportional to 72,475.83, 99,987.11 and 48,610.19

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Solution

The fourth proportional to 72,475.83, 99,987.11 and 48,610.19 is: 67,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,475.83 : 99,987.11 = 48,610.19 : x
  2. Step 2: Convert to fraction form
    72,475.83/99,987.11 = 48,610.19/x
  3. Step 3: Cross multiply
    72,475.83x = 99,987.11 × 48,610.19
  4. Step 4: Simplify right side
    72,475.83x = 4,860,392,182.04
  5. Step 5: Solve for x
    x = 4,860,392,182.04/72,475.83
  6. Step 6: Final answer
    x = 67,062.25

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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.