Home / 85,708.13-118,277.24-47,983.19

Finding the Fourth Proportional to 85,708.13, 118,277.24 and 47,983.19

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Solution

The fourth proportional to 85,708.13, 118,277.24 and 47,983.19 is: 66,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,708.13 : 118,277.24 = 47,983.19 : x
  2. Step 2: Convert to fraction form
    85,708.13/118,277.24 = 47,983.19/x
  3. Step 3: Cross multiply
    85,708.13x = 118,277.24 × 47,983.19
  4. Step 4: Simplify right side
    85,708.13x = 5,675,318,448.29
  5. Step 5: Solve for x
    x = 5,675,318,448.29/85,708.13
  6. Step 6: Final answer
    x = 66,216.81

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1.5x scale

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.