Home / 70,942.60-97,819.50-53,007.40

Finding the Fourth Proportional to 70,942.60, 97,819.50 and 53,007.40

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Solution

The fourth proportional to 70,942.60, 97,819.50 and 53,007.40 is: 73,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942.60 : 97,819.50 = 53,007.40 : x
  2. Step 2: Convert to fraction form
    70,942.60/97,819.50 = 53,007.40/x
  3. Step 3: Cross multiply
    70,942.60x = 97,819.50 × 53,007.40
  4. Step 4: Simplify right side
    70,942.60x = 5,185,157,364.30
  5. Step 5: Solve for x
    x = 5,185,157,364.30/70,942.60
  6. Step 6: Final answer
    x = 73,089.47

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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.