Home / 98,025.22-146,373.85-77,807.89

Finding the Fourth Proportional to 98,025.22, 146,373.85 and 77,807.89

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Solution

The fourth proportional to 98,025.22, 146,373.85 and 77,807.89 is: 116,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,025.22 : 146,373.85 = 77,807.89 : x
  2. Step 2: Convert to fraction form
    98,025.22/146,373.85 = 77,807.89/x
  3. Step 3: Cross multiply
    98,025.22x = 146,373.85 × 77,807.89
  4. Step 4: Simplify right side
    98,025.22x = 11,389,039,687.81
  5. Step 5: Solve for x
    x = 11,389,039,687.81/98,025.22
  6. Step 6: Final answer
    x = 116,184.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.