Home / 81,855.42-112,959.45-46,045.68

Finding the Fourth Proportional to 81,855.42, 112,959.45 and 46,045.68

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Solution

The fourth proportional to 81,855.42, 112,959.45 and 46,045.68 is: 63,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,855.42 : 112,959.45 = 46,045.68 : x
  2. Step 2: Convert to fraction form
    81,855.42/112,959.45 = 46,045.68/x
  3. Step 3: Cross multiply
    81,855.42x = 112,959.45 × 46,045.68
  4. Step 4: Simplify right side
    81,855.42x = 5,201,294,687.68
  5. Step 5: Solve for x
    x = 5,201,294,687.68/81,855.42
  6. Step 6: Final answer
    x = 63,542.46

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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.