Home / 70,744.16-97,624.89-38,913.06

Finding the Fourth Proportional to 70,744.16, 97,624.89 and 38,913.06

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Solution

The fourth proportional to 70,744.16, 97,624.89 and 38,913.06 is: 53,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,744.16 : 97,624.89 = 38,913.06 : x
  2. Step 2: Convert to fraction form
    70,744.16/97,624.89 = 38,913.06/x
  3. Step 3: Cross multiply
    70,744.16x = 97,624.89 × 38,913.06
  4. Step 4: Simplify right side
    70,744.16x = 3,798,883,202.06
  5. Step 5: Solve for x
    x = 3,798,883,202.06/70,744.16
  6. Step 6: Final answer
    x = 53,698.90

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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.