Home / 67,898.09-93,710.61-39,603.77

Finding the Fourth Proportional to 67,898.09, 93,710.61 and 39,603.77

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Solution

The fourth proportional to 67,898.09, 93,710.61 and 39,603.77 is: 54,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,898.09 : 93,710.61 = 39,603.77 : x
  2. Step 2: Convert to fraction form
    67,898.09/93,710.61 = 39,603.77/x
  3. Step 3: Cross multiply
    67,898.09x = 93,710.61 × 39,603.77
  4. Step 4: Simplify right side
    67,898.09x = 3,711,292,976.45
  5. Step 5: Solve for x
    x = 3,711,292,976.45/67,898.09
  6. Step 6: Final answer
    x = 54,659.76

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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.