Home / 91,254.40-125,929.80-50,968.88

Finding the Fourth Proportional to 91,254.40, 125,929.80 and 50,968.88

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Solution

The fourth proportional to 91,254.40, 125,929.80 and 50,968.88 is: 70,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,254.40 : 125,929.80 = 50,968.88 : x
  2. Step 2: Convert to fraction form
    91,254.40/125,929.80 = 50,968.88/x
  3. Step 3: Cross multiply
    91,254.40x = 125,929.80 × 50,968.88
  4. Step 4: Simplify right side
    91,254.40x = 6,418,500,864.62
  5. Step 5: Solve for x
    x = 6,418,500,864.62/91,254.40
  6. Step 6: Final answer
    x = 70,336.34

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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.