Home / 107,002.08-147,695.60-61,710.26

Finding the Fourth Proportional to 107,002.08, 147,695.60 and 61,710.26

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Solution

The fourth proportional to 107,002.08, 147,695.60 and 61,710.26 is: 85,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,002.08 : 147,695.60 = 61,710.26 : x
  2. Step 2: Convert to fraction form
    107,002.08/147,695.60 = 61,710.26/x
  3. Step 3: Cross multiply
    107,002.08x = 147,695.60 × 61,710.26
  4. Step 4: Simplify right side
    107,002.08x = 9,114,333,292.65
  5. Step 5: Solve for x
    x = 9,114,333,292.65/107,002.08
  6. Step 6: Final answer
    x = 85,179.03

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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.