Home / 66,538.32-99,859.62-46,416.93

Finding the Fourth Proportional to 66,538.32, 99,859.62 and 46,416.93

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Solution

The fourth proportional to 66,538.32, 99,859.62 and 46,416.93 is: 69,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538.32 : 99,859.62 = 46,416.93 : x
  2. Step 2: Convert to fraction form
    66,538.32/99,859.62 = 46,416.93/x
  3. Step 3: Cross multiply
    66,538.32x = 99,859.62 × 46,416.93
  4. Step 4: Simplify right side
    66,538.32x = 4,635,176,991.37
  5. Step 5: Solve for x
    x = 4,635,176,991.37/66,538.32
  6. Step 6: Final answer
    x = 69,661.77

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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.