Home / 75,048.20-103,534.38-43,210.34

Finding the Fourth Proportional to 75,048.20, 103,534.38 and 43,210.34

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Solution

The fourth proportional to 75,048.20, 103,534.38 and 43,210.34 is: 59,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,048.20 : 103,534.38 = 43,210.34 : x
  2. Step 2: Convert to fraction form
    75,048.20/103,534.38 = 43,210.34/x
  3. Step 3: Cross multiply
    75,048.20x = 103,534.38 × 43,210.34
  4. Step 4: Simplify right side
    75,048.20x = 4,473,755,761.49
  5. Step 5: Solve for x
    x = 4,473,755,761.49/75,048.20
  6. Step 6: Final answer
    x = 59,611.77

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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.