Home / 72,035.06-99,289.40-48,153.02

Finding the Fourth Proportional to 72,035.06, 99,289.40 and 48,153.02

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Solution

The fourth proportional to 72,035.06, 99,289.40 and 48,153.02 is: 66,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,035.06 : 99,289.40 = 48,153.02 : x
  2. Step 2: Convert to fraction form
    72,035.06/99,289.40 = 48,153.02/x
  3. Step 3: Cross multiply
    72,035.06x = 99,289.40 × 48,153.02
  4. Step 4: Simplify right side
    72,035.06x = 4,781,084,463.99
  5. Step 5: Solve for x
    x = 4,781,084,463.99/72,035.06
  6. Step 6: Final answer
    x = 66,371.63

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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.