Home / 81,854.85-112,959.27-46,045.12

Finding the Fourth Proportional to 81,854.85, 112,959.27 and 46,045.12

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Solution

The fourth proportional to 81,854.85, 112,959.27 and 46,045.12 is: 63,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,854.85 : 112,959.27 = 46,045.12 : x
  2. Step 2: Convert to fraction form
    81,854.85/112,959.27 = 46,045.12/x
  3. Step 3: Cross multiply
    81,854.85x = 112,959.27 × 46,045.12
  4. Step 4: Simplify right side
    81,854.85x = 5,201,223,295.26
  5. Step 5: Solve for x
    x = 5,201,223,295.26/81,854.85
  6. Step 6: Final answer
    x = 63,542.03

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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.