Home / 74,724.17-103,124.48-45,665.01

Finding the Fourth Proportional to 74,724.17, 103,124.48 and 45,665.01

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Solution

The fourth proportional to 74,724.17, 103,124.48 and 45,665.01 is: 63,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724.17 : 103,124.48 = 45,665.01 : x
  2. Step 2: Convert to fraction form
    74,724.17/103,124.48 = 45,665.01/x
  3. Step 3: Cross multiply
    74,724.17x = 103,124.48 × 45,665.01
  4. Step 4: Simplify right side
    74,724.17x = 4,709,180,182.12
  5. Step 5: Solve for x
    x = 4,709,180,182.12/74,724.17
  6. Step 6: Final answer
    x = 63,020.85

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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.