Home / 107,987.36-149,014.35-59,591.23

Finding the Fourth Proportional to 107,987.36, 149,014.35 and 59,591.23

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Solution

The fourth proportional to 107,987.36, 149,014.35 and 59,591.23 is: 82,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,987.36 : 149,014.35 = 59,591.23 : x
  2. Step 2: Convert to fraction form
    107,987.36/149,014.35 = 59,591.23/x
  3. Step 3: Cross multiply
    107,987.36x = 149,014.35 × 59,591.23
  4. Step 4: Simplify right side
    107,987.36x = 8,879,948,031.61
  5. Step 5: Solve for x
    x = 8,879,948,031.61/107,987.36
  6. Step 6: Final answer
    x = 82,231.36

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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.