Home / 93,139.92-139,716.36-30,854.16

Finding the Fourth Proportional to 93,139.92, 139,716.36 and 30,854.16

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Solution

The fourth proportional to 93,139.92, 139,716.36 and 30,854.16 is: 46,283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,139.92 : 139,716.36 = 30,854.16 : x
  2. Step 2: Convert to fraction form
    93,139.92/139,716.36 = 30,854.16/x
  3. Step 3: Cross multiply
    93,139.92x = 139,716.36 × 30,854.16
  4. Step 4: Simplify right side
    93,139.92x = 4,310,830,926.06
  5. Step 5: Solve for x
    x = 4,310,830,926.06/93,139.92
  6. Step 6: Final answer
    x = 46,283.39

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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.