Home / 86,345.56-119,156.16-48,104.74

Finding the Fourth Proportional to 86,345.56, 119,156.16 and 48,104.74

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Solution

The fourth proportional to 86,345.56, 119,156.16 and 48,104.74 is: 66,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,345.56 : 119,156.16 = 48,104.74 : x
  2. Step 2: Convert to fraction form
    86,345.56/119,156.16 = 48,104.74/x
  3. Step 3: Cross multiply
    86,345.56x = 119,156.16 × 48,104.74
  4. Step 4: Simplify right side
    86,345.56x = 5,731,976,096.20
  5. Step 5: Solve for x
    x = 5,731,976,096.20/86,345.56
  6. Step 6: Final answer
    x = 66,384.14

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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.