Home / 98,700.12-148,106.61-41,769.54

Finding the Fourth Proportional to 98,700.12, 148,106.61 and 41,769.54

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Solution

The fourth proportional to 98,700.12, 148,106.61 and 41,769.54 is: 62,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,700.12 : 148,106.61 = 41,769.54 : x
  2. Step 2: Convert to fraction form
    98,700.12/148,106.61 = 41,769.54/x
  3. Step 3: Cross multiply
    98,700.12x = 148,106.61 × 41,769.54
  4. Step 4: Simplify right side
    98,700.12x = 6,186,344,970.66
  5. Step 5: Solve for x
    x = 6,186,344,970.66/98,700.12
  6. Step 6: Final answer
    x = 62,678.19

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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.