Home / 76,422.83-105,464.75-42,433.51

Finding the Fourth Proportional to 76,422.83, 105,464.75 and 42,433.51

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Solution

The fourth proportional to 76,422.83, 105,464.75 and 42,433.51 is: 58,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,422.83 : 105,464.75 = 42,433.51 : x
  2. Step 2: Convert to fraction form
    76,422.83/105,464.75 = 42,433.51/x
  3. Step 3: Cross multiply
    76,422.83x = 105,464.75 × 42,433.51
  4. Step 4: Simplify right side
    76,422.83x = 4,475,239,523.77
  5. Step 5: Solve for x
    x = 4,475,239,523.77/76,422.83
  6. Step 6: Final answer
    x = 58,558.93

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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.