Home / 89,137.50-123,009.75-53,329.02

Finding the Fourth Proportional to 89,137.50, 123,009.75 and 53,329.02

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Solution

The fourth proportional to 89,137.50, 123,009.75 and 53,329.02 is: 73,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,137.50 : 123,009.75 = 53,329.02 : x
  2. Step 2: Convert to fraction form
    89,137.50/123,009.75 = 53,329.02/x
  3. Step 3: Cross multiply
    89,137.50x = 123,009.75 × 53,329.02
  4. Step 4: Simplify right side
    89,137.50x = 6,559,989,417.95
  5. Step 5: Solve for x
    x = 6,559,989,417.95/89,137.50
  6. Step 6: Final answer
    x = 73,594.05

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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.