Home / 89,117.47-122,977.42-50,875.51

Finding the Fourth Proportional to 89,117.47, 122,977.42 and 50,875.51

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Solution

The fourth proportional to 89,117.47, 122,977.42 and 50,875.51 is: 70,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,117.47 : 122,977.42 = 50,875.51 : x
  2. Step 2: Convert to fraction form
    89,117.47/122,977.42 = 50,875.51/x
  3. Step 3: Cross multiply
    89,117.47x = 122,977.42 × 50,875.51
  4. Step 4: Simplify right side
    89,117.47x = 6,256,538,960.98
  5. Step 5: Solve for x
    x = 6,256,538,960.98/89,117.47
  6. Step 6: Final answer
    x = 70,205.53

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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.