Home / 86,797.08-129,985.40-60,068.18

Finding the Fourth Proportional to 86,797.08, 129,985.40 and 60,068.18

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Solution

The fourth proportional to 86,797.08, 129,985.40 and 60,068.18 is: 89,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,797.08 : 129,985.40 = 60,068.18 : x
  2. Step 2: Convert to fraction form
    86,797.08/129,985.40 = 60,068.18/x
  3. Step 3: Cross multiply
    86,797.08x = 129,985.40 × 60,068.18
  4. Step 4: Simplify right side
    86,797.08x = 7,807,986,879.71
  5. Step 5: Solve for x
    x = 7,807,986,879.71/86,797.08
  6. Step 6: Final answer
    x = 89,956.79

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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.