Home / 67,781.52-93,529.62-39,102.26

Finding the Fourth Proportional to 67,781.52, 93,529.62 and 39,102.26

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Solution

The fourth proportional to 67,781.52, 93,529.62 and 39,102.26 is: 53,955.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,781.52 : 93,529.62 = 39,102.26 : x
  2. Step 2: Convert to fraction form
    67,781.52/93,529.62 = 39,102.26/x
  3. Step 3: Cross multiply
    67,781.52x = 93,529.62 × 39,102.26
  4. Step 4: Simplify right side
    67,781.52x = 3,657,219,051.29
  5. Step 5: Solve for x
    x = 3,657,219,051.29/67,781.52
  6. Step 6: Final answer
    x = 53,955.99

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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.