Home / 91,566.72-126,364.86-51,280.38

Finding the Fourth Proportional to 91,566.72, 126,364.86 and 51,280.38

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Solution

The fourth proportional to 91,566.72, 126,364.86 and 51,280.38 is: 70,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,566.72 : 126,364.86 = 51,280.38 : x
  2. Step 2: Convert to fraction form
    91,566.72/126,364.86 = 51,280.38/x
  3. Step 3: Cross multiply
    91,566.72x = 126,364.86 × 51,280.38
  4. Step 4: Simplify right side
    91,566.72x = 6,480,038,039.45
  5. Step 5: Solve for x
    x = 6,480,038,039.45/91,566.72
  6. Step 6: Final answer
    x = 70,768.48

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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.