Home / 66,342.36-99,240.14-60,503.06

Finding the Fourth Proportional to 66,342.36, 99,240.14 and 60,503.06

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Solution

The fourth proportional to 66,342.36, 99,240.14 and 60,503.06 is: 90,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,342.36 : 99,240.14 = 60,503.06 : x
  2. Step 2: Convert to fraction form
    66,342.36/99,240.14 = 60,503.06/x
  3. Step 3: Cross multiply
    66,342.36x = 99,240.14 × 60,503.06
  4. Step 4: Simplify right side
    66,342.36x = 6,004,332,144.83
  5. Step 5: Solve for x
    x = 6,004,332,144.83/66,342.36
  6. Step 6: Final answer
    x = 90,505.25

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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.