Home / 91,840.02-126,734.07-51,550.14

Finding the Fourth Proportional to 91,840.02, 126,734.07 and 51,550.14

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Solution

The fourth proportional to 91,840.02, 126,734.07 and 51,550.14 is: 71,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,840.02 : 126,734.07 = 51,550.14 : x
  2. Step 2: Convert to fraction form
    91,840.02/126,734.07 = 51,550.14/x
  3. Step 3: Cross multiply
    91,840.02x = 126,734.07 × 51,550.14
  4. Step 4: Simplify right side
    91,840.02x = 6,533,159,051.27
  5. Step 5: Solve for x
    x = 6,533,159,051.27/91,840.02
  6. Step 6: Final answer
    x = 71,136.30

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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.