Home / 86,535.34-119,412.93-49,742.71

Finding the Fourth Proportional to 86,535.34, 119,412.93 and 49,742.71

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Solution

The fourth proportional to 86,535.34, 119,412.93 and 49,742.71 is: 68,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,535.34 : 119,412.93 = 49,742.71 : x
  2. Step 2: Convert to fraction form
    86,535.34/119,412.93 = 49,742.71/x
  3. Step 3: Cross multiply
    86,535.34x = 119,412.93 × 49,742.71
  4. Step 4: Simplify right side
    86,535.34x = 5,939,922,635.24
  5. Step 5: Solve for x
    x = 5,939,922,635.24/86,535.34
  6. Step 6: Final answer
    x = 68,641.58

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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.