Home / 93,054.20-139,538.10-40,436.60

Finding the Fourth Proportional to 93,054.20, 139,538.10 and 40,436.60

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Solution

The fourth proportional to 93,054.20, 139,538.10 and 40,436.60 is: 60,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,054.20 : 139,538.10 = 40,436.60 : x
  2. Step 2: Convert to fraction form
    93,054.20/139,538.10 = 40,436.60/x
  3. Step 3: Cross multiply
    93,054.20x = 139,538.10 × 40,436.60
  4. Step 4: Simplify right side
    93,054.20x = 5,642,446,334.46
  5. Step 5: Solve for x
    x = 5,642,446,334.46/93,054.20
  6. Step 6: Final answer
    x = 60,636.13

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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.