Home / 70,688.12-106,032.20-33,220.68

Finding the Fourth Proportional to 70,688.12, 106,032.20 and 33,220.68

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Solution

The fourth proportional to 70,688.12, 106,032.20 and 33,220.68 is: 49,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688.12 : 106,032.20 = 33,220.68 : x
  2. Step 2: Convert to fraction form
    70,688.12/106,032.20 = 33,220.68/x
  3. Step 3: Cross multiply
    70,688.12x = 106,032.20 × 33,220.68
  4. Step 4: Simplify right side
    70,688.12x = 3,522,461,785.90
  5. Step 5: Solve for x
    x = 3,522,461,785.90/70,688.12
  6. Step 6: Final answer
    x = 49,831.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.