Home / 66,415.13-99,601.73-26,416.72

Finding the Fourth Proportional to 66,415.13, 99,601.73 and 26,416.72

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Solution

The fourth proportional to 66,415.13, 99,601.73 and 26,416.72 is: 39,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,415.13 : 99,601.73 = 26,416.72 : x
  2. Step 2: Convert to fraction form
    66,415.13/99,601.73 = 26,416.72/x
  3. Step 3: Cross multiply
    66,415.13x = 99,601.73 × 26,416.72
  4. Step 4: Simplify right side
    66,415.13x = 2,631,151,253.00
  5. Step 5: Solve for x
    x = 2,631,151,253.00/66,415.13
  6. Step 6: Final answer
    x = 39,616.75

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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.