Home / 70,455.12-97,228.86-40,244.43

Finding the Fourth Proportional to 70,455.12, 97,228.86 and 40,244.43

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Solution

The fourth proportional to 70,455.12, 97,228.86 and 40,244.43 is: 55,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,455.12 : 97,228.86 = 40,244.43 : x
  2. Step 2: Convert to fraction form
    70,455.12/97,228.86 = 40,244.43/x
  3. Step 3: Cross multiply
    70,455.12x = 97,228.86 × 40,244.43
  4. Step 4: Simplify right side
    70,455.12x = 3,912,920,050.25
  5. Step 5: Solve for x
    x = 3,912,920,050.25/70,455.12
  6. Step 6: Final answer
    x = 55,537.77

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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.