Home / 91,888.03-126,803.98-51,051.27

Finding the Fourth Proportional to 91,888.03, 126,803.98 and 51,051.27

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Solution

The fourth proportional to 91,888.03, 126,803.98 and 51,051.27 is: 70,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,888.03 : 126,803.98 = 51,051.27 : x
  2. Step 2: Convert to fraction form
    91,888.03/126,803.98 = 51,051.27/x
  3. Step 3: Cross multiply
    91,888.03x = 126,803.98 × 51,051.27
  4. Step 4: Simplify right side
    91,888.03x = 6,473,504,220.05
  5. Step 5: Solve for x
    x = 6,473,504,220.05/91,888.03
  6. Step 6: Final answer
    x = 70,449.92

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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.