Home / 81,317.88-112,197.33-46,854.16

Finding the Fourth Proportional to 81,317.88, 112,197.33 and 46,854.16

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Solution

The fourth proportional to 81,317.88, 112,197.33 and 46,854.16 is: 64,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,317.88 : 112,197.33 = 46,854.16 : x
  2. Step 2: Convert to fraction form
    81,317.88/112,197.33 = 46,854.16/x
  3. Step 3: Cross multiply
    81,317.88x = 112,197.33 × 46,854.16
  4. Step 4: Simplify right side
    81,317.88x = 5,256,911,651.39
  5. Step 5: Solve for x
    x = 5,256,911,651.39/81,317.88
  6. Step 6: Final answer
    x = 64,646.45

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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.