Home / 86,261.60-119,034.40-48,528.48

Finding the Fourth Proportional to 86,261.60, 119,034.40 and 48,528.48

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Solution

The fourth proportional to 86,261.60, 119,034.40 and 48,528.48 is: 66,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,261.60 : 119,034.40 = 48,528.48 : x
  2. Step 2: Convert to fraction form
    86,261.60/119,034.40 = 48,528.48/x
  3. Step 3: Cross multiply
    86,261.60x = 119,034.40 × 48,528.48
  4. Step 4: Simplify right side
    86,261.60x = 5,776,558,499.71
  5. Step 5: Solve for x
    x = 5,776,558,499.71/86,261.60
  6. Step 6: Final answer
    x = 66,965.58

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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.