Home / 65,922.68-90,973.28-35,707.76

Finding the Fourth Proportional to 65,922.68, 90,973.28 and 35,707.76

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Solution

The fourth proportional to 65,922.68, 90,973.28 and 35,707.76 is: 49,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,922.68 : 90,973.28 = 35,707.76 : x
  2. Step 2: Convert to fraction form
    65,922.68/90,973.28 = 35,707.76/x
  3. Step 3: Cross multiply
    65,922.68x = 90,973.28 × 35,707.76
  4. Step 4: Simplify right side
    65,922.68x = 3,248,452,048.65
  5. Step 5: Solve for x
    x = 3,248,452,048.65/65,922.68
  6. Step 6: Final answer
    x = 49,276.70

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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.