Home / 91,361.23-126,079.44-51,077.23

Finding the Fourth Proportional to 91,361.23, 126,079.44 and 51,077.23

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Solution

The fourth proportional to 91,361.23, 126,079.44 and 51,077.23 is: 70,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,361.23 : 126,079.44 = 51,077.23 : x
  2. Step 2: Convert to fraction form
    91,361.23/126,079.44 = 51,077.23/x
  3. Step 3: Cross multiply
    91,361.23x = 126,079.44 × 51,077.23
  4. Step 4: Simplify right side
    91,361.23x = 6,439,788,555.15
  5. Step 5: Solve for x
    x = 6,439,788,555.15/91,361.23
  6. Step 6: Final answer
    x = 70,487.10

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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.