Home / 70,895.54-97,834.80-40,680.20

Finding the Fourth Proportional to 70,895.54, 97,834.80 and 40,680.20

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Solution

The fourth proportional to 70,895.54, 97,834.80 and 40,680.20 is: 56,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,895.54 : 97,834.80 = 40,680.20 : x
  2. Step 2: Convert to fraction form
    70,895.54/97,834.80 = 40,680.20/x
  3. Step 3: Cross multiply
    70,895.54x = 97,834.80 × 40,680.20
  4. Step 4: Simplify right side
    70,895.54x = 3,979,939,230.96
  5. Step 5: Solve for x
    x = 3,979,939,230.96/70,895.54
  6. Step 6: Final answer
    x = 56,138.08

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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.