Home / 93,873.38-129,548.30-51,434.64

Finding the Fourth Proportional to 93,873.38, 129,548.30 and 51,434.64

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Solution

The fourth proportional to 93,873.38, 129,548.30 and 51,434.64 is: 70,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,873.38 : 129,548.30 = 51,434.64 : x
  2. Step 2: Convert to fraction form
    93,873.38/129,548.30 = 51,434.64/x
  3. Step 3: Cross multiply
    93,873.38x = 129,548.30 × 51,434.64
  4. Step 4: Simplify right side
    93,873.38x = 6,663,269,915.94
  5. Step 5: Solve for x
    x = 6,663,269,915.94/93,873.38
  6. Step 6: Final answer
    x = 70,981.47

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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.