Home / 99,293.76-149,015.52-52,557.12

Finding the Fourth Proportional to 99,293.76, 149,015.52 and 52,557.12

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Solution

The fourth proportional to 99,293.76, 149,015.52 and 52,557.12 is: 78,875.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,293.76 : 149,015.52 = 52,557.12 : x
  2. Step 2: Convert to fraction form
    99,293.76/149,015.52 = 52,557.12/x
  3. Step 3: Cross multiply
    99,293.76x = 149,015.52 × 52,557.12
  4. Step 4: Simplify right side
    99,293.76x = 7,831,826,566.50
  5. Step 5: Solve for x
    x = 7,831,826,566.50/99,293.76
  6. Step 6: Final answer
    x = 78,875.31

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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.