Home / 66,727.43-92,031.84-42,856.32

Finding the Fourth Proportional to 66,727.43, 92,031.84 and 42,856.32

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Solution

The fourth proportional to 66,727.43, 92,031.84 and 42,856.32 is: 59,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,727.43 : 92,031.84 = 42,856.32 : x
  2. Step 2: Convert to fraction form
    66,727.43/92,031.84 = 42,856.32/x
  3. Step 3: Cross multiply
    66,727.43x = 92,031.84 × 42,856.32
  4. Step 4: Simplify right side
    66,727.43x = 3,944,145,985.23
  5. Step 5: Solve for x
    x = 3,944,145,985.23/66,727.43
  6. Step 6: Final answer
    x = 59,108.32

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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.