Home / 67,079.48-92,528.52-39,837.05

Finding the Fourth Proportional to 67,079.48, 92,528.52 and 39,837.05

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Solution

The fourth proportional to 67,079.48, 92,528.52 and 39,837.05 is: 54,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,079.48 : 92,528.52 = 39,837.05 : x
  2. Step 2: Convert to fraction form
    67,079.48/92,528.52 = 39,837.05/x
  3. Step 3: Cross multiply
    67,079.48x = 92,528.52 × 39,837.05
  4. Step 4: Simplify right side
    67,079.48x = 3,686,063,277.67
  5. Step 5: Solve for x
    x = 3,686,063,277.67/67,079.48
  6. Step 6: Final answer
    x = 54,950.68

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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.