Home / 85,854.02-118,479.53-47,614.33

Finding the Fourth Proportional to 85,854.02, 118,479.53 and 47,614.33

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Solution

The fourth proportional to 85,854.02, 118,479.53 and 47,614.33 is: 65,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,854.02 : 118,479.53 = 47,614.33 : x
  2. Step 2: Convert to fraction form
    85,854.02/118,479.53 = 47,614.33/x
  3. Step 3: Cross multiply
    85,854.02x = 118,479.53 × 47,614.33
  4. Step 4: Simplify right side
    85,854.02x = 5,641,322,609.20
  5. Step 5: Solve for x
    x = 5,641,322,609.20/85,854.02
  6. Step 6: Final answer
    x = 65,708.31

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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.