Home / 91,840.53-126,728.45-50,999.10

Finding the Fourth Proportional to 91,840.53, 126,728.45 and 50,999.10

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Solution

The fourth proportional to 91,840.53, 126,728.45 and 50,999.10 is: 70,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,840.53 : 126,728.45 = 50,999.10 : x
  2. Step 2: Convert to fraction form
    91,840.53/126,728.45 = 50,999.10/x
  3. Step 3: Cross multiply
    91,840.53x = 126,728.45 × 50,999.10
  4. Step 4: Simplify right side
    91,840.53x = 6,463,036,894.40
  5. Step 5: Solve for x
    x = 6,463,036,894.40/91,840.53
  6. Step 6: Final answer
    x = 70,372.38

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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.