Home / 93,935.40-140,922.30-31,612.20

Finding the Fourth Proportional to 93,935.40, 140,922.30 and 31,612.20

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Solution

The fourth proportional to 93,935.40, 140,922.30 and 31,612.20 is: 47,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,935.40 : 140,922.30 = 31,612.20 : x
  2. Step 2: Convert to fraction form
    93,935.40/140,922.30 = 31,612.20/x
  3. Step 3: Cross multiply
    93,935.40x = 140,922.30 × 31,612.20
  4. Step 4: Simplify right side
    93,935.40x = 4,454,863,932.06
  5. Step 5: Solve for x
    x = 4,454,863,932.06/93,935.40
  6. Step 6: Final answer
    x = 47,424.76

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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.