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Finding the Fourth Proportional to 93,924.15, 129,615.02 and 50,904.90

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Solution

The fourth proportional to 93,924.15, 129,615.02 and 50,904.90 is: 70,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,924.15 : 129,615.02 = 50,904.90 : x
  2. Step 2: Convert to fraction form
    93,924.15/129,615.02 = 50,904.90/x
  3. Step 3: Cross multiply
    93,924.15x = 129,615.02 × 50,904.90
  4. Step 4: Simplify right side
    93,924.15x = 6,598,039,377.07
  5. Step 5: Solve for x
    x = 6,598,039,377.07/93,924.15
  6. Step 6: Final answer
    x = 70,248.59

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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.