Home / 70,040.89-96,656.66-38,210.46

Finding the Fourth Proportional to 70,040.89, 96,656.66 and 38,210.46

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Solution

The fourth proportional to 70,040.89, 96,656.66 and 38,210.46 is: 52,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040.89 : 96,656.66 = 38,210.46 : x
  2. Step 2: Convert to fraction form
    70,040.89/96,656.66 = 38,210.46/x
  3. Step 3: Cross multiply
    70,040.89x = 96,656.66 × 38,210.46
  4. Step 4: Simplify right side
    70,040.89x = 3,693,295,440.66
  5. Step 5: Solve for x
    x = 3,693,295,440.66/70,040.89
  6. Step 6: Final answer
    x = 52,730.56

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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.