Home / 70,040.24-96,638.28-42,809.36

Finding the Fourth Proportional to 70,040.24, 96,638.28 and 42,809.36

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Solution

The fourth proportional to 70,040.24, 96,638.28 and 42,809.36 is: 59,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040.24 : 96,638.28 = 42,809.36 : x
  2. Step 2: Convert to fraction form
    70,040.24/96,638.28 = 42,809.36/x
  3. Step 3: Cross multiply
    70,040.24x = 96,638.28 × 42,809.36
  4. Step 4: Simplify right side
    70,040.24x = 4,137,022,918.30
  5. Step 5: Solve for x
    x = 4,137,022,918.30/70,040.24
  6. Step 6: Final answer
    x = 59,066.37

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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.