Home / 91,880.08-126,795.84-51,602.56

Finding the Fourth Proportional to 91,880.08, 126,795.84 and 51,602.56

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Solution

The fourth proportional to 91,880.08, 126,795.84 and 51,602.56 is: 71,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,880.08 : 126,795.84 = 51,602.56 : x
  2. Step 2: Convert to fraction form
    91,880.08/126,795.84 = 51,602.56/x
  3. Step 3: Cross multiply
    91,880.08x = 126,795.84 × 51,602.56
  4. Step 4: Simplify right side
    91,880.08x = 6,542,989,941.35
  5. Step 5: Solve for x
    x = 6,542,989,941.35/91,880.08
  6. Step 6: Final answer
    x = 71,212.28

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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.