Home / 91,579.41-126,384.30-51,302.16

Finding the Fourth Proportional to 91,579.41, 126,384.30 and 51,302.16

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Solution

The fourth proportional to 91,579.41, 126,384.30 and 51,302.16 is: 70,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,579.41 : 126,384.30 = 51,302.16 : x
  2. Step 2: Convert to fraction form
    91,579.41/126,384.30 = 51,302.16/x
  3. Step 3: Cross multiply
    91,579.41x = 126,384.30 × 51,302.16
  4. Step 4: Simplify right side
    91,579.41x = 6,483,787,580.09
  5. Step 5: Solve for x
    x = 6,483,787,580.09/91,579.41
  6. Step 6: Final answer
    x = 70,799.62

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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.