Home / 99,060.21-148,587.64-27,987.74

Finding the Fourth Proportional to 99,060.21, 148,587.64 and 27,987.74

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Solution

The fourth proportional to 99,060.21, 148,587.64 and 27,987.74 is: 41,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,060.21 : 148,587.64 = 27,987.74 : x
  2. Step 2: Convert to fraction form
    99,060.21/148,587.64 = 27,987.74/x
  3. Step 3: Cross multiply
    99,060.21x = 148,587.64 × 27,987.74
  4. Step 4: Simplify right side
    99,060.21x = 4,158,632,235.53
  5. Step 5: Solve for x
    x = 4,158,632,235.53/99,060.21
  6. Step 6: Final answer
    x = 41,980.85

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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.