Home / 89,139.44-123,013.37-48,852.32

Finding the Fourth Proportional to 89,139.44, 123,013.37 and 48,852.32

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Solution

The fourth proportional to 89,139.44, 123,013.37 and 48,852.32 is: 67,416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,139.44 : 123,013.37 = 48,852.32 : x
  2. Step 2: Convert to fraction form
    89,139.44/123,013.37 = 48,852.32/x
  3. Step 3: Cross multiply
    89,139.44x = 123,013.37 × 48,852.32
  4. Step 4: Simplify right side
    89,139.44x = 6,009,487,656.19
  5. Step 5: Solve for x
    x = 6,009,487,656.19/89,139.44
  6. Step 6: Final answer
    x = 67,416.71

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1.5x scale

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.