Home / 101,487.06-140,052.41-56,168.17

Finding the Fourth Proportional to 101,487.06, 140,052.41 and 56,168.17

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Solution

The fourth proportional to 101,487.06, 140,052.41 and 56,168.17 is: 77,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,487.06 : 140,052.41 = 56,168.17 : x
  2. Step 2: Convert to fraction form
    101,487.06/140,052.41 = 56,168.17/x
  3. Step 3: Cross multiply
    101,487.06x = 140,052.41 × 56,168.17
  4. Step 4: Simplify right side
    101,487.06x = 7,866,487,364.08
  5. Step 5: Solve for x
    x = 7,866,487,364.08/101,487.06
  6. Step 6: Final answer
    x = 77,512.22

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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.