Home / 70,938.78-97,895.01-38,673.30

Finding the Fourth Proportional to 70,938.78, 97,895.01 and 38,673.30

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Solution

The fourth proportional to 70,938.78, 97,895.01 and 38,673.30 is: 53,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,938.78 : 97,895.01 = 38,673.30 : x
  2. Step 2: Convert to fraction form
    70,938.78/97,895.01 = 38,673.30/x
  3. Step 3: Cross multiply
    70,938.78x = 97,895.01 × 38,673.30
  4. Step 4: Simplify right side
    70,938.78x = 3,785,923,090.23
  5. Step 5: Solve for x
    x = 3,785,923,090.23/70,938.78
  6. Step 6: Final answer
    x = 53,368.88

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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.