Home / 70,137.80-96,792.26-38,308.20

Finding the Fourth Proportional to 70,137.80, 96,792.26 and 38,308.20

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Solution

The fourth proportional to 70,137.80, 96,792.26 and 38,308.20 is: 52,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,137.80 : 96,792.26 = 38,308.20 : x
  2. Step 2: Convert to fraction form
    70,137.80/96,792.26 = 38,308.20/x
  3. Step 3: Cross multiply
    70,137.80x = 96,792.26 × 38,308.20
  4. Step 4: Simplify right side
    70,137.80x = 3,707,937,254.53
  5. Step 5: Solve for x
    x = 3,707,937,254.53/70,137.80
  6. Step 6: Final answer
    x = 52,866.46

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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.