Home / 67,739.46-93,483.75-40,881.48

Finding the Fourth Proportional to 67,739.46, 93,483.75 and 40,881.48

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Solution

The fourth proportional to 67,739.46, 93,483.75 and 40,881.48 is: 56,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,739.46 : 93,483.75 = 40,881.48 : x
  2. Step 2: Convert to fraction form
    67,739.46/93,483.75 = 40,881.48/x
  3. Step 3: Cross multiply
    67,739.46x = 93,483.75 × 40,881.48
  4. Step 4: Simplify right side
    67,739.46x = 3,821,754,055.95
  5. Step 5: Solve for x
    x = 3,821,754,055.95/67,739.46
  6. Step 6: Final answer
    x = 56,418.43

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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.