Home / 81,278.04-112,172.12-46,823.95

Finding the Fourth Proportional to 81,278.04, 112,172.12 and 46,823.95

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Solution

The fourth proportional to 81,278.04, 112,172.12 and 46,823.95 is: 64,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,278.04 : 112,172.12 = 46,823.95 : x
  2. Step 2: Convert to fraction form
    81,278.04/112,172.12 = 46,823.95/x
  3. Step 3: Cross multiply
    81,278.04x = 112,172.12 × 46,823.95
  4. Step 4: Simplify right side
    81,278.04x = 5,252,341,738.27
  5. Step 5: Solve for x
    x = 5,252,341,738.27/81,278.04
  6. Step 6: Final answer
    x = 64,621.90

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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.