Home / 73,847.07-101,909.22-42,015.27

Finding the Fourth Proportional to 73,847.07, 101,909.22 and 42,015.27

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Solution

The fourth proportional to 73,847.07, 101,909.22 and 42,015.27 is: 57,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,847.07 : 101,909.22 = 42,015.27 : x
  2. Step 2: Convert to fraction form
    73,847.07/101,909.22 = 42,015.27/x
  3. Step 3: Cross multiply
    73,847.07x = 101,909.22 × 42,015.27
  4. Step 4: Simplify right side
    73,847.07x = 4,281,743,393.79
  5. Step 5: Solve for x
    x = 4,281,743,393.79/73,847.07
  6. Step 6: Final answer
    x = 57,981.22

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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.