Home / 76,202.77-105,158.73-42,211.15

Finding the Fourth Proportional to 76,202.77, 105,158.73 and 42,211.15

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Solution

The fourth proportional to 76,202.77, 105,158.73 and 42,211.15 is: 58,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,202.77 : 105,158.73 = 42,211.15 : x
  2. Step 2: Convert to fraction form
    76,202.77/105,158.73 = 42,211.15/x
  3. Step 3: Cross multiply
    76,202.77x = 105,158.73 × 42,211.15
  4. Step 4: Simplify right side
    76,202.77x = 4,438,870,925.84
  5. Step 5: Solve for x
    x = 4,438,870,925.84/76,202.77
  6. Step 6: Final answer
    x = 58,250.78

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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.