Home / 86,196.08-129,060.40-44,555.60

Finding the Fourth Proportional to 86,196.08, 129,060.40 and 44,555.60

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Solution

The fourth proportional to 86,196.08, 129,060.40 and 44,555.60 is: 66,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,196.08 : 129,060.40 = 44,555.60 : x
  2. Step 2: Convert to fraction form
    86,196.08/129,060.40 = 44,555.60/x
  3. Step 3: Cross multiply
    86,196.08x = 129,060.40 × 44,555.60
  4. Step 4: Simplify right side
    86,196.08x = 5,750,363,558.24
  5. Step 5: Solve for x
    x = 5,750,363,558.24/86,196.08
  6. Step 6: Final answer
    x = 66,712.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.