Home / 89,478.15-134,118.81-36,858.93

Finding the Fourth Proportional to 89,478.15, 134,118.81 and 36,858.93

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Solution

The fourth proportional to 89,478.15, 134,118.81 and 36,858.93 is: 55,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,478.15 : 134,118.81 = 36,858.93 : x
  2. Step 2: Convert to fraction form
    89,478.15/134,118.81 = 36,858.93/x
  3. Step 3: Cross multiply
    89,478.15x = 134,118.81 × 36,858.93
  4. Step 4: Simplify right side
    89,478.15x = 4,943,475,829.47
  5. Step 5: Solve for x
    x = 4,943,475,829.47/89,478.15
  6. Step 6: Final answer
    x = 55,247.85

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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.