Home / 93,258.78-139,937.68-40,672.36

Finding the Fourth Proportional to 93,258.78, 139,937.68 and 40,672.36

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Solution

The fourth proportional to 93,258.78, 139,937.68 and 40,672.36 is: 61,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,258.78 : 139,937.68 = 40,672.36 : x
  2. Step 2: Convert to fraction form
    93,258.78/139,937.68 = 40,672.36/x
  3. Step 3: Cross multiply
    93,258.78x = 139,937.68 × 40,672.36
  4. Step 4: Simplify right side
    93,258.78x = 5,691,595,695.51
  5. Step 5: Solve for x
    x = 5,691,595,695.51/93,258.78
  6. Step 6: Final answer
    x = 61,030.13

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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.