Home / 107,479.23-148,309.53-62,150.34

Finding the Fourth Proportional to 107,479.23, 148,309.53 and 62,150.34

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Solution

The fourth proportional to 107,479.23, 148,309.53 and 62,150.34 is: 85,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,479.23 : 148,309.53 = 62,150.34 : x
  2. Step 2: Convert to fraction form
    107,479.23/148,309.53 = 62,150.34/x
  3. Step 3: Cross multiply
    107,479.23x = 148,309.53 × 62,150.34
  4. Step 4: Simplify right side
    107,479.23x = 9,217,487,714.74
  5. Step 5: Solve for x
    x = 9,217,487,714.74/107,479.23
  6. Step 6: Final answer
    x = 85,760.64

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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.