Home / 93,084.78-139,565.96-61,398.18

Finding the Fourth Proportional to 93,084.78, 139,565.96 and 61,398.18

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Solution

The fourth proportional to 93,084.78, 139,565.96 and 61,398.18 is: 92,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,084.78 : 139,565.96 = 61,398.18 : x
  2. Step 2: Convert to fraction form
    93,084.78/139,565.96 = 61,398.18/x
  3. Step 3: Cross multiply
    93,084.78x = 139,565.96 × 61,398.18
  4. Step 4: Simplify right side
    93,084.78x = 8,569,095,626.96
  5. Step 5: Solve for x
    x = 8,569,095,626.96/93,084.78
  6. Step 6: Final answer
    x = 92,056.89

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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.