Home / 89,310.71-133,977.95-47,192.51

Finding the Fourth Proportional to 89,310.71, 133,977.95 and 47,192.51

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Solution

The fourth proportional to 89,310.71, 133,977.95 and 47,192.51 is: 70,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,310.71 : 133,977.95 = 47,192.51 : x
  2. Step 2: Convert to fraction form
    89,310.71/133,977.95 = 47,192.51/x
  3. Step 3: Cross multiply
    89,310.71x = 133,977.95 × 47,192.51
  4. Step 4: Simplify right side
    89,310.71x = 6,322,755,509.19
  5. Step 5: Solve for x
    x = 6,322,755,509.19/89,310.71
  6. Step 6: Final answer
    x = 70,795.05

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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.