Home / 70,567.74-97,377.39-40,343.40

Finding the Fourth Proportional to 70,567.74, 97,377.39 and 40,343.40

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Solution

The fourth proportional to 70,567.74, 97,377.39 and 40,343.40 is: 55,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,567.74 : 97,377.39 = 40,343.40 : x
  2. Step 2: Convert to fraction form
    70,567.74/97,377.39 = 40,343.40/x
  3. Step 3: Cross multiply
    70,567.74x = 97,377.39 × 40,343.40
  4. Step 4: Simplify right side
    70,567.74x = 3,928,534,995.73
  5. Step 5: Solve for x
    x = 3,928,534,995.73/70,567.74
  6. Step 6: Final answer
    x = 55,670.41

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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.