Home / 72,931.02-109,396.54-23,015.00

Finding the Fourth Proportional to 72,931.02, 109,396.54 and 23,015.00

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Solution

The fourth proportional to 72,931.02, 109,396.54 and 23,015.00 is: 34,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,931.02 : 109,396.54 = 23,015.00 : x
  2. Step 2: Convert to fraction form
    72,931.02/109,396.54 = 23,015.00/x
  3. Step 3: Cross multiply
    72,931.02x = 109,396.54 × 23,015.00
  4. Step 4: Simplify right side
    72,931.02x = 2,517,761,670.36
  5. Step 5: Solve for x
    x = 2,517,761,670.36/72,931.02
  6. Step 6: Final answer
    x = 34,522.51

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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.