Home / 91,425.84-126,116.88-53,181.12

Finding the Fourth Proportional to 91,425.84, 126,116.88 and 53,181.12

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Solution

The fourth proportional to 91,425.84, 126,116.88 and 53,181.12 is: 73,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,425.84 : 126,116.88 = 53,181.12 : x
  2. Step 2: Convert to fraction form
    91,425.84/126,116.88 = 53,181.12/x
  3. Step 3: Cross multiply
    91,425.84x = 126,116.88 × 53,181.12
  4. Step 4: Simplify right side
    91,425.84x = 6,707,036,929.31
  5. Step 5: Solve for x
    x = 6,707,036,929.31/91,425.84
  6. Step 6: Final answer
    x = 73,360.41

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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.