Home / 107,133.06-147,842.46-61,810.50

Finding the Fourth Proportional to 107,133.06, 147,842.46 and 61,810.50

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Solution

The fourth proportional to 107,133.06, 147,842.46 and 61,810.50 is: 85,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,133.06 : 147,842.46 = 61,810.50 : x
  2. Step 2: Convert to fraction form
    107,133.06/147,842.46 = 61,810.50/x
  3. Step 3: Cross multiply
    107,133.06x = 147,842.46 × 61,810.50
  4. Step 4: Simplify right side
    107,133.06x = 9,138,216,373.83
  5. Step 5: Solve for x
    x = 9,138,216,373.83/107,133.06
  6. Step 6: Final answer
    x = 85,297.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.