Home / 65,923.04-90,974.04-35,708.72

Finding the Fourth Proportional to 65,923.04, 90,974.04 and 35,708.72

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Solution

The fourth proportional to 65,923.04, 90,974.04 and 35,708.72 is: 49,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,923.04 : 90,974.04 = 35,708.72 : x
  2. Step 2: Convert to fraction form
    65,923.04/90,974.04 = 35,708.72/x
  3. Step 3: Cross multiply
    65,923.04x = 90,974.04 × 35,708.72
  4. Step 4: Simplify right side
    65,923.04x = 3,248,566,521.63
  5. Step 5: Solve for x
    x = 3,248,566,521.63/65,923.04
  6. Step 6: Final answer
    x = 49,278.17

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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.