Home / 91,748.30-126,603.06-53,497.66

Finding the Fourth Proportional to 91,748.30, 126,603.06 and 53,497.66

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Solution

The fourth proportional to 91,748.30, 126,603.06 and 53,497.66 is: 73,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,748.30 : 126,603.06 = 53,497.66 : x
  2. Step 2: Convert to fraction form
    91,748.30/126,603.06 = 53,497.66/x
  3. Step 3: Cross multiply
    91,748.30x = 126,603.06 × 53,497.66
  4. Step 4: Simplify right side
    91,748.30x = 6,772,967,458.84
  5. Step 5: Solve for x
    x = 6,772,967,458.84/91,748.30
  6. Step 6: Final answer
    x = 73,821.18

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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.