Home / 93,929.32-140,909.82-31,585

Finding the Fourth Proportional to 93,929.32, 140,909.82 and 31,585

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Solution

The fourth proportional to 93,929.32, 140,909.82 and 31,585 is: 47,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,929.32 : 140,909.82 = 31,585 : x
  2. Step 2: Convert to fraction form
    93,929.32/140,909.82 = 31,585/x
  3. Step 3: Cross multiply
    93,929.32x = 140,909.82 × 31,585
  4. Step 4: Simplify right side
    93,929.32x = 4,450,636,664.70
  5. Step 5: Solve for x
    x = 4,450,636,664.70/93,929.32
  6. Step 6: Final answer
    x = 47,382.83

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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.