Home / 86,125.06-129,173.01-23,795.74

Finding the Fourth Proportional to 86,125.06, 129,173.01 and 23,795.74

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Solution

The fourth proportional to 86,125.06, 129,173.01 and 23,795.74 is: 35,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,125.06 : 129,173.01 = 23,795.74 : x
  2. Step 2: Convert to fraction form
    86,125.06/129,173.01 = 23,795.74/x
  3. Step 3: Cross multiply
    86,125.06x = 129,173.01 × 23,795.74
  4. Step 4: Simplify right side
    86,125.06x = 3,073,767,360.98
  5. Step 5: Solve for x
    x = 3,073,767,360.98/86,125.06
  6. Step 6: Final answer
    x = 35,689.58

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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.