Home / 56,598.81-84,678.69-40,840.12

Finding the Fourth Proportional to 56,598.81, 84,678.69 and 40,840.12

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Solution

The fourth proportional to 56,598.81, 84,678.69 and 40,840.12 is: 61,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,598.81 : 84,678.69 = 40,840.12 : x
  2. Step 2: Convert to fraction form
    56,598.81/84,678.69 = 40,840.12/x
  3. Step 3: Cross multiply
    56,598.81x = 84,678.69 × 40,840.12
  4. Step 4: Simplify right side
    56,598.81x = 3,458,287,861.04
  5. Step 5: Solve for x
    x = 3,458,287,861.04/56,598.81
  6. Step 6: Final answer
    x = 61,101.78

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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.