Home / 86,095.42-118,813.68-47,856.56

Finding the Fourth Proportional to 86,095.42, 118,813.68 and 47,856.56

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Solution

The fourth proportional to 86,095.42, 118,813.68 and 47,856.56 is: 66,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,095.42 : 118,813.68 = 47,856.56 : x
  2. Step 2: Convert to fraction form
    86,095.42/118,813.68 = 47,856.56/x
  3. Step 3: Cross multiply
    86,095.42x = 118,813.68 × 47,856.56
  4. Step 4: Simplify right side
    86,095.42x = 5,686,014,302.78
  5. Step 5: Solve for x
    x = 5,686,014,302.78/86,095.42
  6. Step 6: Final answer
    x = 66,043.17

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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.