Home / 107,431.03-148,246.14-62,111.93

Finding the Fourth Proportional to 107,431.03, 148,246.14 and 62,111.93

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Solution

The fourth proportional to 107,431.03, 148,246.14 and 62,111.93 is: 85,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,431.03 : 148,246.14 = 62,111.93 : x
  2. Step 2: Convert to fraction form
    107,431.03/148,246.14 = 62,111.93/x
  3. Step 3: Cross multiply
    107,431.03x = 148,246.14 × 62,111.93
  4. Step 4: Simplify right side
    107,431.03x = 9,207,854,021.33
  5. Step 5: Solve for x
    x = 9,207,854,021.33/107,431.03
  6. Step 6: Final answer
    x = 85,709.45

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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.