Home / 91,333.95-126,036.89-49,940.18

Finding the Fourth Proportional to 91,333.95, 126,036.89 and 49,940.18

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Solution

The fourth proportional to 91,333.95, 126,036.89 and 49,940.18 is: 68,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,333.95 : 126,036.89 = 49,940.18 : x
  2. Step 2: Convert to fraction form
    91,333.95/126,036.89 = 49,940.18/x
  3. Step 3: Cross multiply
    91,333.95x = 126,036.89 × 49,940.18
  4. Step 4: Simplify right side
    91,333.95x = 6,294,305,038.63
  5. Step 5: Solve for x
    x = 6,294,305,038.63/91,333.95
  6. Step 6: Final answer
    x = 68,915.28

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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.