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Finding the Fourth Proportional to 70,019.70, 96,612.66 and 40,942.45

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Solution

The fourth proportional to 70,019.70, 96,612.66 and 40,942.45 is: 56,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,019.70 : 96,612.66 = 40,942.45 : x
  2. Step 2: Convert to fraction form
    70,019.70/96,612.66 = 40,942.45/x
  3. Step 3: Cross multiply
    70,019.70x = 96,612.66 × 40,942.45
  4. Step 4: Simplify right side
    70,019.70x = 3,955,559,001.42
  5. Step 5: Solve for x
    x = 3,955,559,001.42/70,019.70
  6. Step 6: Final answer
    x = 56,492.09

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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.