Home / 91,811.01-126,701.46-51,527.84

Finding the Fourth Proportional to 91,811.01, 126,701.46 and 51,527.84

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Solution

The fourth proportional to 91,811.01, 126,701.46 and 51,527.84 is: 71,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,811.01 : 126,701.46 = 51,527.84 : x
  2. Step 2: Convert to fraction form
    91,811.01/126,701.46 = 51,527.84/x
  3. Step 3: Cross multiply
    91,811.01x = 126,701.46 × 51,527.84
  4. Step 4: Simplify right side
    91,811.01x = 6,528,651,925.14
  5. Step 5: Solve for x
    x = 6,528,651,925.14/91,811.01
  6. Step 6: Final answer
    x = 71,109.68

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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.