Home / 107,040.30-147,715.77-59,292.60

Finding the Fourth Proportional to 107,040.30, 147,715.77 and 59,292.60

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Solution

The fourth proportional to 107,040.30, 147,715.77 and 59,292.60 is: 81,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,040.30 : 147,715.77 = 59,292.60 : x
  2. Step 2: Convert to fraction form
    107,040.30/147,715.77 = 59,292.60/x
  3. Step 3: Cross multiply
    107,040.30x = 147,715.77 × 59,292.60
  4. Step 4: Simplify right side
    107,040.30x = 8,758,452,064.30
  5. Step 5: Solve for x
    x = 8,758,452,064.30/107,040.30
  6. Step 6: Final answer
    x = 81,823.87

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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.