Home / 70,434.09-97,207.02-40,223.70

Finding the Fourth Proportional to 70,434.09, 97,207.02 and 40,223.70

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Solution

The fourth proportional to 70,434.09, 97,207.02 and 40,223.70 is: 55,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,434.09 : 97,207.02 = 40,223.70 : x
  2. Step 2: Convert to fraction form
    70,434.09/97,207.02 = 40,223.70/x
  3. Step 3: Cross multiply
    70,434.09x = 97,207.02 × 40,223.70
  4. Step 4: Simplify right side
    70,434.09x = 3,910,026,010.37
  5. Step 5: Solve for x
    x = 3,910,026,010.37/70,434.09
  6. Step 6: Final answer
    x = 55,513.26

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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.