Home / 93,118.13-139,699.08-30,788.63

Finding the Fourth Proportional to 93,118.13, 139,699.08 and 30,788.63

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Solution

The fourth proportional to 93,118.13, 139,699.08 and 30,788.63 is: 46,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,118.13 : 139,699.08 = 30,788.63 : x
  2. Step 2: Convert to fraction form
    93,118.13/139,699.08 = 30,788.63/x
  3. Step 3: Cross multiply
    93,118.13x = 139,699.08 × 30,788.63
  4. Step 4: Simplify right side
    93,118.13x = 4,301,142,586.97
  5. Step 5: Solve for x
    x = 4,301,142,586.97/93,118.13
  6. Step 6: Final answer
    x = 46,190.18

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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.