Home / 70,428.66-97,191.86-38,163.35

Finding the Fourth Proportional to 70,428.66, 97,191.86 and 38,163.35

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Solution

The fourth proportional to 70,428.66, 97,191.86 and 38,163.35 is: 52,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,428.66 : 97,191.86 = 38,163.35 : x
  2. Step 2: Convert to fraction form
    70,428.66/97,191.86 = 38,163.35/x
  3. Step 3: Cross multiply
    70,428.66x = 97,191.86 × 38,163.35
  4. Step 4: Simplify right side
    70,428.66x = 3,709,166,293.55
  5. Step 5: Solve for x
    x = 3,709,166,293.55/70,428.66
  6. Step 6: Final answer
    x = 52,665.58

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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.