Home / 70,688.45-97,550.25-40,474.23

Finding the Fourth Proportional to 70,688.45, 97,550.25 and 40,474.23

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Solution

The fourth proportional to 70,688.45, 97,550.25 and 40,474.23 is: 55,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688.45 : 97,550.25 = 40,474.23 : x
  2. Step 2: Convert to fraction form
    70,688.45/97,550.25 = 40,474.23/x
  3. Step 3: Cross multiply
    70,688.45x = 97,550.25 × 40,474.23
  4. Step 4: Simplify right side
    70,688.45x = 3,948,271,255.06
  5. Step 5: Solve for x
    x = 3,948,271,255.06/70,688.45
  6. Step 6: Final answer
    x = 55,854.55

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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.