Home / 70,568.10-97,385.52-40,356.18

Finding the Fourth Proportional to 70,568.10, 97,385.52 and 40,356.18

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Solution

The fourth proportional to 70,568.10, 97,385.52 and 40,356.18 is: 55,692.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,568.10 : 97,385.52 = 40,356.18 : x
  2. Step 2: Convert to fraction form
    70,568.10/97,385.52 = 40,356.18/x
  3. Step 3: Cross multiply
    70,568.10x = 97,385.52 × 40,356.18
  4. Step 4: Simplify right side
    70,568.10x = 3,930,107,574.51
  5. Step 5: Solve for x
    x = 3,930,107,574.51/70,568.10
  6. Step 6: Final answer
    x = 55,692.41

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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.