Home / 107,322.31-148,111.68-62,002.21

Finding the Fourth Proportional to 107,322.31, 148,111.68 and 62,002.21

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Solution

The fourth proportional to 107,322.31, 148,111.68 and 62,002.21 is: 85,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,322.31 : 148,111.68 = 62,002.21 : x
  2. Step 2: Convert to fraction form
    107,322.31/148,111.68 = 62,002.21/x
  3. Step 3: Cross multiply
    107,322.31x = 148,111.68 × 62,002.21
  4. Step 4: Simplify right side
    107,322.31x = 9,183,251,486.81
  5. Step 5: Solve for x
    x = 9,183,251,486.81/107,322.31
  6. Step 6: Final answer
    x = 85,567.03

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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.