Home / 75,072.20-112,608.16-35,607.76

Finding the Fourth Proportional to 75,072.20, 112,608.16 and 35,607.76

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Solution

The fourth proportional to 75,072.20, 112,608.16 and 35,607.76 is: 53,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,072.20 : 112,608.16 = 35,607.76 : x
  2. Step 2: Convert to fraction form
    75,072.20/112,608.16 = 35,607.76/x
  3. Step 3: Cross multiply
    75,072.20x = 112,608.16 × 35,607.76
  4. Step 4: Simplify right side
    75,072.20x = 4,009,724,335.32
  5. Step 5: Solve for x
    x = 4,009,724,335.32/75,072.20
  6. Step 6: Final answer
    x = 53,411.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.