Home / 81,311.89-112,195.65-46,851.25

Finding the Fourth Proportional to 81,311.89, 112,195.65 and 46,851.25

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Solution

The fourth proportional to 81,311.89, 112,195.65 and 46,851.25 is: 64,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,311.89 : 112,195.65 = 46,851.25 : x
  2. Step 2: Convert to fraction form
    81,311.89/112,195.65 = 46,851.25/x
  3. Step 3: Cross multiply
    81,311.89x = 112,195.65 × 46,851.25
  4. Step 4: Simplify right side
    81,311.89x = 5,256,506,447.06
  5. Step 5: Solve for x
    x = 5,256,506,447.06/81,311.89
  6. Step 6: Final answer
    x = 64,646.22

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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.