Home / 83,941.04-115,836.54-47,649.26

Finding the Fourth Proportional to 83,941.04, 115,836.54 and 47,649.26

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Solution

The fourth proportional to 83,941.04, 115,836.54 and 47,649.26 is: 65,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,941.04 : 115,836.54 = 47,649.26 : x
  2. Step 2: Convert to fraction form
    83,941.04/115,836.54 = 47,649.26/x
  3. Step 3: Cross multiply
    83,941.04x = 115,836.54 × 47,649.26
  4. Step 4: Simplify right side
    83,941.04x = 5,519,525,411.96
  5. Step 5: Solve for x
    x = 5,519,525,411.96/83,941.04
  6. Step 6: Final answer
    x = 65,754.79

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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.