Home / 86,803.29-129,994.65-60,074.37

Finding the Fourth Proportional to 86,803.29, 129,994.65 and 60,074.37

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Solution

The fourth proportional to 86,803.29, 129,994.65 and 60,074.37 is: 89,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,803.29 : 129,994.65 = 60,074.37 : x
  2. Step 2: Convert to fraction form
    86,803.29/129,994.65 = 60,074.37/x
  3. Step 3: Cross multiply
    86,803.29x = 129,994.65 × 60,074.37
  4. Step 4: Simplify right side
    86,803.29x = 7,809,346,702.12
  5. Step 5: Solve for x
    x = 7,809,346,702.12/86,803.29
  6. Step 6: Final answer
    x = 89,966.02

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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.