Home / 65,186.18-89,956.97-35,378.18

Finding the Fourth Proportional to 65,186.18, 89,956.97 and 35,378.18

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Solution

The fourth proportional to 65,186.18, 89,956.97 and 35,378.18 is: 48,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,186.18 : 89,956.97 = 35,378.18 : x
  2. Step 2: Convert to fraction form
    65,186.18/89,956.97 = 35,378.18/x
  3. Step 3: Cross multiply
    65,186.18x = 89,956.97 × 35,378.18
  4. Step 4: Simplify right side
    65,186.18x = 3,182,513,700.02
  5. Step 5: Solve for x
    x = 3,182,513,700.02/65,186.18
  6. Step 6: Final answer
    x = 48,821.91

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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.