Home / 76,264.26-105,248.85-42,276.75

Finding the Fourth Proportional to 76,264.26, 105,248.85 and 42,276.75

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Solution

The fourth proportional to 76,264.26, 105,248.85 and 42,276.75 is: 58,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,264.26 : 105,248.85 = 42,276.75 : x
  2. Step 2: Convert to fraction form
    76,264.26/105,248.85 = 42,276.75/x
  3. Step 3: Cross multiply
    76,264.26x = 105,248.85 × 42,276.75
  4. Step 4: Simplify right side
    76,264.26x = 4,449,579,319.24
  5. Step 5: Solve for x
    x = 4,449,579,319.24/76,264.26
  6. Step 6: Final answer
    x = 58,344.23

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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.