Home / 70,220.48-96,904.61-38,389.38

Finding the Fourth Proportional to 70,220.48, 96,904.61 and 38,389.38

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Solution

The fourth proportional to 70,220.48, 96,904.61 and 38,389.38 is: 52,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220.48 : 96,904.61 = 38,389.38 : x
  2. Step 2: Convert to fraction form
    70,220.48/96,904.61 = 38,389.38/x
  3. Step 3: Cross multiply
    70,220.48x = 96,904.61 × 38,389.38
  4. Step 4: Simplify right side
    70,220.48x = 3,720,107,583.96
  5. Step 5: Solve for x
    x = 3,720,107,583.96/70,220.48
  6. Step 6: Final answer
    x = 52,977.53

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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.