Home / 67,686.77-93,351.29-50,731.45

Finding the Fourth Proportional to 67,686.77, 93,351.29 and 50,731.45

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Solution

The fourth proportional to 67,686.77, 93,351.29 and 50,731.45 is: 69,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,686.77 : 93,351.29 = 50,731.45 : x
  2. Step 2: Convert to fraction form
    67,686.77/93,351.29 = 50,731.45/x
  3. Step 3: Cross multiply
    67,686.77x = 93,351.29 × 50,731.45
  4. Step 4: Simplify right side
    67,686.77x = 4,735,845,814.04
  5. Step 5: Solve for x
    x = 4,735,845,814.04/67,686.77
  6. Step 6: Final answer
    x = 69,967.08

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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.