Home / 85,633.93-118,174.71-47,908.18

Finding the Fourth Proportional to 85,633.93, 118,174.71 and 47,908.18

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Solution

The fourth proportional to 85,633.93, 118,174.71 and 47,908.18 is: 66,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,633.93 : 118,174.71 = 47,908.18 : x
  2. Step 2: Convert to fraction form
    85,633.93/118,174.71 = 47,908.18/x
  3. Step 3: Cross multiply
    85,633.93x = 118,174.71 × 47,908.18
  4. Step 4: Simplify right side
    85,633.93x = 5,661,535,278.13
  5. Step 5: Solve for x
    x = 5,661,535,278.13/85,633.93
  6. Step 6: Final answer
    x = 66,113.22

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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.