Home / 60,187.08-90,277.02-20,743.32

Finding the Fourth Proportional to 60,187.08, 90,277.02 and 20,743.32

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Solution

The fourth proportional to 60,187.08, 90,277.02 and 20,743.32 is: 31,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,187.08 : 90,277.02 = 20,743.32 : x
  2. Step 2: Convert to fraction form
    60,187.08/90,277.02 = 20,743.32/x
  3. Step 3: Cross multiply
    60,187.08x = 90,277.02 × 20,743.32
  4. Step 4: Simplify right side
    60,187.08x = 1,872,645,114.51
  5. Step 5: Solve for x
    x = 1,872,645,114.51/60,187.08
  6. Step 6: Final answer
    x = 31,113.74

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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.