Home / 110,089.92-151,987.04-72,473.52

Finding the Fourth Proportional to 110,089.92, 151,987.04 and 72,473.52

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Solution

The fourth proportional to 110,089.92, 151,987.04 and 72,473.52 is: 100,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,089.92 : 151,987.04 = 72,473.52 : x
  2. Step 2: Convert to fraction form
    110,089.92/151,987.04 = 72,473.52/x
  3. Step 3: Cross multiply
    110,089.92x = 151,987.04 × 72,473.52
  4. Step 4: Simplify right side
    110,089.92x = 11,015,035,783.18
  5. Step 5: Solve for x
    x = 11,015,035,783.18/110,089.92
  6. Step 6: Final answer
    x = 100,054.90

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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.