Home / 74,363.12-102,621.48-42,533.36

Finding the Fourth Proportional to 74,363.12, 102,621.48 and 42,533.36

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Solution

The fourth proportional to 74,363.12, 102,621.48 and 42,533.36 is: 58,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,363.12 : 102,621.48 = 42,533.36 : x
  2. Step 2: Convert to fraction form
    74,363.12/102,621.48 = 42,533.36/x
  3. Step 3: Cross multiply
    74,363.12x = 102,621.48 × 42,533.36
  4. Step 4: Simplify right side
    74,363.12x = 4,364,836,352.57
  5. Step 5: Solve for x
    x = 4,364,836,352.57/74,363.12
  6. Step 6: Final answer
    x = 58,696.25

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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.