Home / 107,261.80-148,000.74-61,336.02

Finding the Fourth Proportional to 107,261.80, 148,000.74 and 61,336.02

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Solution

The fourth proportional to 107,261.80, 148,000.74 and 61,336.02 is: 84,631.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,261.80 : 148,000.74 = 61,336.02 : x
  2. Step 2: Convert to fraction form
    107,261.80/148,000.74 = 61,336.02/x
  3. Step 3: Cross multiply
    107,261.80x = 148,000.74 × 61,336.02
  4. Step 4: Simplify right side
    107,261.80x = 9,077,776,348.65
  5. Step 5: Solve for x
    x = 9,077,776,348.65/107,261.80
  6. Step 6: Final answer
    x = 84,631.96

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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.