Home / 81,411.08-112,338.70-46,959.55

Finding the Fourth Proportional to 81,411.08, 112,338.70 and 46,959.55

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Solution

The fourth proportional to 81,411.08, 112,338.70 and 46,959.55 is: 64,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,411.08 : 112,338.70 = 46,959.55 : x
  2. Step 2: Convert to fraction form
    81,411.08/112,338.70 = 46,959.55/x
  3. Step 3: Cross multiply
    81,411.08x = 112,338.70 × 46,959.55
  4. Step 4: Simplify right side
    81,411.08x = 5,275,374,401.34
  5. Step 5: Solve for x
    x = 5,275,374,401.34/81,411.08
  6. Step 6: Final answer
    x = 64,799.22

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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.