Home / 92,985.47-128,320.40-50,544

Finding the Fourth Proportional to 92,985.47, 128,320.40 and 50,544

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Solution

The fourth proportional to 92,985.47, 128,320.40 and 50,544 is: 69,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,985.47 : 128,320.40 = 50,544 : x
  2. Step 2: Convert to fraction form
    92,985.47/128,320.40 = 50,544/x
  3. Step 3: Cross multiply
    92,985.47x = 128,320.40 × 50,544
  4. Step 4: Simplify right side
    92,985.47x = 6,485,826,423.96
  5. Step 5: Solve for x
    x = 6,485,826,423.96/92,985.47
  6. Step 6: Final answer
    x = 69,750.97

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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.