Home / 66,496.22-91,752.23-39,641.23

Finding the Fourth Proportional to 66,496.22, 91,752.23 and 39,641.23

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Solution

The fourth proportional to 66,496.22, 91,752.23 and 39,641.23 is: 54,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,496.22 : 91,752.23 = 39,641.23 : x
  2. Step 2: Convert to fraction form
    66,496.22/91,752.23 = 39,641.23/x
  3. Step 3: Cross multiply
    66,496.22x = 91,752.23 × 39,641.23
  4. Step 4: Simplify right side
    66,496.22x = 3,637,170,824.86
  5. Step 5: Solve for x
    x = 3,637,170,824.86/66,496.22
  6. Step 6: Final answer
    x = 54,697.41

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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.