Home / 66,416.22-91,643.85-37,338.84

Finding the Fourth Proportional to 66,416.22, 91,643.85 and 37,338.84

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Solution

The fourth proportional to 66,416.22, 91,643.85 and 37,338.84 is: 51,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,416.22 : 91,643.85 = 37,338.84 : x
  2. Step 2: Convert to fraction form
    66,416.22/91,643.85 = 37,338.84/x
  3. Step 3: Cross multiply
    66,416.22x = 91,643.85 × 37,338.84
  4. Step 4: Simplify right side
    66,416.22x = 3,421,875,052.13
  5. Step 5: Solve for x
    x = 3,421,875,052.13/66,416.22
  6. Step 6: Final answer
    x = 51,521.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.