Home / 76,235.85-105,208.82-42,244.25

Finding the Fourth Proportional to 76,235.85, 105,208.82 and 42,244.25

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Solution

The fourth proportional to 76,235.85, 105,208.82 and 42,244.25 is: 58,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,235.85 : 105,208.82 = 42,244.25 : x
  2. Step 2: Convert to fraction form
    76,235.85/105,208.82 = 42,244.25/x
  3. Step 3: Cross multiply
    76,235.85x = 105,208.82 × 42,244.25
  4. Step 4: Simplify right side
    76,235.85x = 4,444,468,210.49
  5. Step 5: Solve for x
    x = 4,444,468,210.49/76,235.85
  6. Step 6: Final answer
    x = 58,298.92

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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.