Home / 93,036.70-139,511.85-40,419.10

Finding the Fourth Proportional to 93,036.70, 139,511.85 and 40,419.10

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Solution

The fourth proportional to 93,036.70, 139,511.85 and 40,419.10 is: 60,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,036.70 : 139,511.85 = 40,419.10 : x
  2. Step 2: Convert to fraction form
    93,036.70/139,511.85 = 40,419.10/x
  3. Step 3: Cross multiply
    93,036.70x = 139,511.85 × 40,419.10
  4. Step 4: Simplify right side
    93,036.70x = 5,638,943,416.34
  5. Step 5: Solve for x
    x = 5,638,943,416.34/93,036.70
  6. Step 6: Final answer
    x = 60,609.88

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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.