Home / 72,768.12-109,152.18-26,018.16

Finding the Fourth Proportional to 72,768.12, 109,152.18 and 26,018.16

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Solution

The fourth proportional to 72,768.12, 109,152.18 and 26,018.16 is: 39,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,768.12 : 109,152.18 = 26,018.16 : x
  2. Step 2: Convert to fraction form
    72,768.12/109,152.18 = 26,018.16/x
  3. Step 3: Cross multiply
    72,768.12x = 109,152.18 × 26,018.16
  4. Step 4: Simplify right side
    72,768.12x = 2,839,938,883.59
  5. Step 5: Solve for x
    x = 2,839,938,883.59/72,768.12
  6. Step 6: Final answer
    x = 39,027.24

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1.5x scale

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.