Home / 70,353.12-97,086.55-38,087.01

Finding the Fourth Proportional to 70,353.12, 97,086.55 and 38,087.01

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Solution

The fourth proportional to 70,353.12, 97,086.55 and 38,087.01 is: 52,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,353.12 : 97,086.55 = 38,087.01 : x
  2. Step 2: Convert to fraction form
    70,353.12/97,086.55 = 38,087.01/x
  3. Step 3: Cross multiply
    70,353.12x = 97,086.55 × 38,087.01
  4. Step 4: Simplify right side
    70,353.12x = 3,697,736,400.72
  5. Step 5: Solve for x
    x = 3,697,736,400.72/70,353.12
  6. Step 6: Final answer
    x = 52,559.66

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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.