Home / 109,923.39-151,723.40-75,937.95

Finding the Fourth Proportional to 109,923.39, 151,723.40 and 75,937.95

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Solution

The fourth proportional to 109,923.39, 151,723.40 and 75,937.95 is: 104,814.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,923.39 : 151,723.40 = 75,937.95 : x
  2. Step 2: Convert to fraction form
    109,923.39/151,723.40 = 75,937.95/x
  3. Step 3: Cross multiply
    109,923.39x = 151,723.40 × 75,937.95
  4. Step 4: Simplify right side
    109,923.39x = 11,521,563,583.34
  5. Step 5: Solve for x
    x = 11,521,563,583.34/109,923.39
  6. Step 6: Final answer
    x = 104,814.49

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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.