Home / 89,342.69-133,894.64-47,212.76

Finding the Fourth Proportional to 89,342.69, 133,894.64 and 47,212.76

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Solution

The fourth proportional to 89,342.69, 133,894.64 and 47,212.76 is: 70,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,342.69 : 133,894.64 = 47,212.76 : x
  2. Step 2: Convert to fraction form
    89,342.69/133,894.64 = 47,212.76/x
  3. Step 3: Cross multiply
    89,342.69x = 133,894.64 × 47,212.76
  4. Step 4: Simplify right side
    89,342.69x = 6,321,534,598.07
  5. Step 5: Solve for x
    x = 6,321,534,598.07/89,342.69
  6. Step 6: Final answer
    x = 70,756.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.