Home / 93,045.57-139,392.55-54,981.29

Finding the Fourth Proportional to 93,045.57, 139,392.55 and 54,981.29

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Solution

The fourth proportional to 93,045.57, 139,392.55 and 54,981.29 is: 82,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,045.57 : 139,392.55 = 54,981.29 : x
  2. Step 2: Convert to fraction form
    93,045.57/139,392.55 = 54,981.29/x
  3. Step 3: Cross multiply
    93,045.57x = 139,392.55 × 54,981.29
  4. Step 4: Simplify right side
    93,045.57x = 7,663,982,519.35
  5. Step 5: Solve for x
    x = 7,663,982,519.35/93,045.57
  6. Step 6: Final answer
    x = 82,368.05

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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.