Home / 88,985.13-122,825.75-51,285.93

Finding the Fourth Proportional to 88,985.13, 122,825.75 and 51,285.93

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Solution

The fourth proportional to 88,985.13, 122,825.75 and 51,285.93 is: 70,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,985.13 : 122,825.75 = 51,285.93 : x
  2. Step 2: Convert to fraction form
    88,985.13/122,825.75 = 51,285.93/x
  3. Step 3: Cross multiply
    88,985.13x = 122,825.75 × 51,285.93
  4. Step 4: Simplify right side
    88,985.13x = 6,299,232,816.70
  5. Step 5: Solve for x
    x = 6,299,232,816.70/88,985.13
  6. Step 6: Final answer
    x = 70,789.72

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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.