Home / 66,685.41-91,878.17-43,984.35

Finding the Fourth Proportional to 66,685.41, 91,878.17 and 43,984.35

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Solution

The fourth proportional to 66,685.41, 91,878.17 and 43,984.35 is: 60,600.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,685.41 : 91,878.17 = 43,984.35 : x
  2. Step 2: Convert to fraction form
    66,685.41/91,878.17 = 43,984.35/x
  3. Step 3: Cross multiply
    66,685.41x = 91,878.17 × 43,984.35
  4. Step 4: Simplify right side
    66,685.41x = 4,041,201,586.64
  5. Step 5: Solve for x
    x = 4,041,201,586.64/66,685.41
  6. Step 6: Final answer
    x = 60,600.99

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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.