Home / 74,368.24-111,552.48-52,280.32

Finding the Fourth Proportional to 74,368.24, 111,552.48 and 52,280.32

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Solution

The fourth proportional to 74,368.24, 111,552.48 and 52,280.32 is: 78,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,368.24 : 111,552.48 = 52,280.32 : x
  2. Step 2: Convert to fraction form
    74,368.24/111,552.48 = 52,280.32/x
  3. Step 3: Cross multiply
    74,368.24x = 111,552.48 × 52,280.32
  4. Step 4: Simplify right side
    74,368.24x = 5,831,999,351.19
  5. Step 5: Solve for x
    x = 5,831,999,351.19/74,368.24
  6. Step 6: Final answer
    x = 78,420.56

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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.