Home / 91,772.07-126,638.01-51,480.24

Finding the Fourth Proportional to 91,772.07, 126,638.01 and 51,480.24

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Solution

The fourth proportional to 91,772.07, 126,638.01 and 51,480.24 is: 71,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,772.07 : 126,638.01 = 51,480.24 : x
  2. Step 2: Convert to fraction form
    91,772.07/126,638.01 = 51,480.24/x
  3. Step 3: Cross multiply
    91,772.07x = 126,638.01 × 51,480.24
  4. Step 4: Simplify right side
    91,772.07x = 6,519,355,147.92
  5. Step 5: Solve for x
    x = 6,519,355,147.92/91,772.07
  6. Step 6: Final answer
    x = 71,038.55

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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.