Home / 86,742.27-119,688.71-48,502.58

Finding the Fourth Proportional to 86,742.27, 119,688.71 and 48,502.58

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Solution

The fourth proportional to 86,742.27, 119,688.71 and 48,502.58 is: 66,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,742.27 : 119,688.71 = 48,502.58 : x
  2. Step 2: Convert to fraction form
    86,742.27/119,688.71 = 48,502.58/x
  3. Step 3: Cross multiply
    86,742.27x = 119,688.71 × 48,502.58
  4. Step 4: Simplify right side
    86,742.27x = 5,805,210,390.92
  5. Step 5: Solve for x
    x = 5,805,210,390.92/86,742.27
  6. Step 6: Final answer
    x = 66,924.82

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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.