Home / 70,938.27-97,895.46-39,108.31

Finding the Fourth Proportional to 70,938.27, 97,895.46 and 39,108.31

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Solution

The fourth proportional to 70,938.27, 97,895.46 and 39,108.31 is: 53,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,938.27 : 97,895.46 = 39,108.31 : x
  2. Step 2: Convert to fraction form
    70,938.27/97,895.46 = 39,108.31/x
  3. Step 3: Cross multiply
    70,938.27x = 97,895.46 × 39,108.31
  4. Step 4: Simplify right side
    70,938.27x = 3,828,525,899.19
  5. Step 5: Solve for x
    x = 3,828,525,899.19/70,938.27
  6. Step 6: Final answer
    x = 53,969.82

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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.