Home / 91,538.50-126,325.47-51,260.77

Finding the Fourth Proportional to 91,538.50, 126,325.47 and 51,260.77

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Solution

The fourth proportional to 91,538.50, 126,325.47 and 51,260.77 is: 70,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,538.50 : 126,325.47 = 51,260.77 : x
  2. Step 2: Convert to fraction form
    91,538.50/126,325.47 = 51,260.77/x
  3. Step 3: Cross multiply
    91,538.50x = 126,325.47 × 51,260.77
  4. Step 4: Simplify right side
    91,538.50x = 6,475,540,862.81
  5. Step 5: Solve for x
    x = 6,475,540,862.81/91,538.50
  6. Step 6: Final answer
    x = 70,741.18

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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.