Home / 91,811.39-126,701.98-51,528.22

Finding the Fourth Proportional to 91,811.39, 126,701.98 and 51,528.22

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Solution

The fourth proportional to 91,811.39, 126,701.98 and 51,528.22 is: 71,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,811.39 : 126,701.98 = 51,528.22 : x
  2. Step 2: Convert to fraction form
    91,811.39/126,701.98 = 51,528.22/x
  3. Step 3: Cross multiply
    91,811.39x = 126,701.98 × 51,528.22
  4. Step 4: Simplify right side
    91,811.39x = 6,528,727,054.30
  5. Step 5: Solve for x
    x = 6,528,727,054.30/91,811.39
  6. Step 6: Final answer
    x = 71,110.21

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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.