Home / 107,735.04-148,656.60-62,420.40

Finding the Fourth Proportional to 107,735.04, 148,656.60 and 62,420.40

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Solution

The fourth proportional to 107,735.04, 148,656.60 and 62,420.40 is: 86,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,735.04 : 148,656.60 = 62,420.40 : x
  2. Step 2: Convert to fraction form
    107,735.04/148,656.60 = 62,420.40/x
  3. Step 3: Cross multiply
    107,735.04x = 148,656.60 × 62,420.40
  4. Step 4: Simplify right side
    107,735.04x = 9,279,204,434.64
  5. Step 5: Solve for x
    x = 9,279,204,434.64/107,735.04
  6. Step 6: Final answer
    x = 86,129.86

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1.5x scale

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.