Home / 70,217.60-105,326.40-57,007.04

Finding the Fourth Proportional to 70,217.60, 105,326.40 and 57,007.04

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Solution

The fourth proportional to 70,217.60, 105,326.40 and 57,007.04 is: 85,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,217.60 : 105,326.40 = 57,007.04 : x
  2. Step 2: Convert to fraction form
    70,217.60/105,326.40 = 57,007.04/x
  3. Step 3: Cross multiply
    70,217.60x = 105,326.40 × 57,007.04
  4. Step 4: Simplify right side
    70,217.60x = 6,004,346,297.86
  5. Step 5: Solve for x
    x = 6,004,346,297.86/70,217.60
  6. Step 6: Final answer
    x = 85,510.56

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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.