Home / 86,585.15-119,486.28-48,345.31

Finding the Fourth Proportional to 86,585.15, 119,486.28 and 48,345.31

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Solution

The fourth proportional to 86,585.15, 119,486.28 and 48,345.31 is: 66,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,585.15 : 119,486.28 = 48,345.31 : x
  2. Step 2: Convert to fraction form
    86,585.15/119,486.28 = 48,345.31/x
  3. Step 3: Cross multiply
    86,585.15x = 119,486.28 × 48,345.31
  4. Step 4: Simplify right side
    86,585.15x = 5,776,601,247.35
  5. Step 5: Solve for x
    x = 5,776,601,247.35/86,585.15
  6. Step 6: Final answer
    x = 66,715.84

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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.