Home / 93,111.66-139,629.69-45,747.18

Finding the Fourth Proportional to 93,111.66, 139,629.69 and 45,747.18

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Solution

The fourth proportional to 93,111.66, 139,629.69 and 45,747.18 is: 68,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,111.66 : 139,629.69 = 45,747.18 : x
  2. Step 2: Convert to fraction form
    93,111.66/139,629.69 = 45,747.18/x
  3. Step 3: Cross multiply
    93,111.66x = 139,629.69 × 45,747.18
  4. Step 4: Simplify right side
    93,111.66x = 6,387,664,561.77
  5. Step 5: Solve for x
    x = 6,387,664,561.77/93,111.66
  6. Step 6: Final answer
    x = 68,602.20

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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.