Home / 98,808.06-148,105.89-42,674.70

Finding the Fourth Proportional to 98,808.06, 148,105.89 and 42,674.70

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Solution

The fourth proportional to 98,808.06, 148,105.89 and 42,674.70 is: 63,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,808.06 : 148,105.89 = 42,674.70 : x
  2. Step 2: Convert to fraction form
    98,808.06/148,105.89 = 42,674.70/x
  3. Step 3: Cross multiply
    98,808.06x = 148,105.89 × 42,674.70
  4. Step 4: Simplify right side
    98,808.06x = 6,320,374,423.98
  5. Step 5: Solve for x
    x = 6,320,374,423.98/98,808.06
  6. Step 6: Final answer
    x = 63,966.18

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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.