Home / 74,959.29-103,440.60-40,967.24

Finding the Fourth Proportional to 74,959.29, 103,440.60 and 40,967.24

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Solution

The fourth proportional to 74,959.29, 103,440.60 and 40,967.24 is: 56,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,959.29 : 103,440.60 = 40,967.24 : x
  2. Step 2: Convert to fraction form
    74,959.29/103,440.60 = 40,967.24/x
  3. Step 3: Cross multiply
    74,959.29x = 103,440.60 × 40,967.24
  4. Step 4: Simplify right side
    74,959.29x = 4,237,675,368.74
  5. Step 5: Solve for x
    x = 4,237,675,368.74/74,959.29
  6. Step 6: Final answer
    x = 56,533.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.