Home / 73,660.16-110,494.02-21,077.40

Finding the Fourth Proportional to 73,660.16, 110,494.02 and 21,077.40

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Solution

The fourth proportional to 73,660.16, 110,494.02 and 21,077.40 is: 31,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,660.16 : 110,494.02 = 21,077.40 : x
  2. Step 2: Convert to fraction form
    73,660.16/110,494.02 = 21,077.40/x
  3. Step 3: Cross multiply
    73,660.16x = 110,494.02 × 21,077.40
  4. Step 4: Simplify right side
    73,660.16x = 2,328,926,657.15
  5. Step 5: Solve for x
    x = 2,328,926,657.15/73,660.16
  6. Step 6: Final answer
    x = 31,617.18

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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.