Home / 92,844.06-128,122.80-50,402.58

Finding the Fourth Proportional to 92,844.06, 128,122.80 and 50,402.58

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Solution

The fourth proportional to 92,844.06, 128,122.80 and 50,402.58 is: 69,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,844.06 : 128,122.80 = 50,402.58 : x
  2. Step 2: Convert to fraction form
    92,844.06/128,122.80 = 50,402.58/x
  3. Step 3: Cross multiply
    92,844.06x = 128,122.80 × 50,402.58
  4. Step 4: Simplify right side
    92,844.06x = 6,457,719,676.82
  5. Step 5: Solve for x
    x = 6,457,719,676.82/92,844.06
  6. Step 6: Final answer
    x = 69,554.47

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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.