Home / 107,107.20-147,805.92-59,360.40

Finding the Fourth Proportional to 107,107.20, 147,805.92 and 59,360.40

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Solution

The fourth proportional to 107,107.20, 147,805.92 and 59,360.40 is: 81,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,107.20 : 147,805.92 = 59,360.40 : x
  2. Step 2: Convert to fraction form
    107,107.20/147,805.92 = 59,360.40/x
  3. Step 3: Cross multiply
    107,107.20x = 147,805.92 × 59,360.40
  4. Step 4: Simplify right side
    107,107.20x = 8,773,818,533.57
  5. Step 5: Solve for x
    x = 8,773,818,533.57/107,107.20
  6. Step 6: Final answer
    x = 81,916.23

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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.