Home / 76,275.60-105,302.22-52,112.90

Finding the Fourth Proportional to 76,275.60, 105,302.22 and 52,112.90

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Solution

The fourth proportional to 76,275.60, 105,302.22 and 52,112.90 is: 71,944.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,275.60 : 105,302.22 = 52,112.90 : x
  2. Step 2: Convert to fraction form
    76,275.60/105,302.22 = 52,112.90/x
  3. Step 3: Cross multiply
    76,275.60x = 105,302.22 × 52,112.90
  4. Step 4: Simplify right side
    76,275.60x = 5,487,603,534.13
  5. Step 5: Solve for x
    x = 5,487,603,534.13/76,275.60
  6. Step 6: Final answer
    x = 71,944.42

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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.