Home / 76,282.07-105,266.35-42,291.07

Finding the Fourth Proportional to 76,282.07, 105,266.35 and 42,291.07

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Solution

The fourth proportional to 76,282.07, 105,266.35 and 42,291.07 is: 58,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,282.07 : 105,266.35 = 42,291.07 : x
  2. Step 2: Convert to fraction form
    76,282.07/105,266.35 = 42,291.07/x
  3. Step 3: Cross multiply
    76,282.07x = 105,266.35 × 42,291.07
  4. Step 4: Simplify right side
    76,282.07x = 4,451,826,927.93
  5. Step 5: Solve for x
    x = 4,451,826,927.93/76,282.07
  6. Step 6: Final answer
    x = 58,360.07

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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.