Home / 70,759.64-97,647.93-40,545.43

Finding the Fourth Proportional to 70,759.64, 97,647.93 and 40,545.43

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Solution

The fourth proportional to 70,759.64, 97,647.93 and 40,545.43 is: 55,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,759.64 : 97,647.93 = 40,545.43 : x
  2. Step 2: Convert to fraction form
    70,759.64/97,647.93 = 40,545.43/x
  3. Step 3: Cross multiply
    70,759.64x = 97,647.93 × 40,545.43
  4. Step 4: Simplify right side
    70,759.64x = 3,959,177,066.34
  5. Step 5: Solve for x
    x = 3,959,177,066.34/70,759.64
  6. Step 6: Final answer
    x = 55,952.47

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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.