Home / 76,092.52-105,010.78-42,100.46

Finding the Fourth Proportional to 76,092.52, 105,010.78 and 42,100.46

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Solution

The fourth proportional to 76,092.52, 105,010.78 and 42,100.46 is: 58,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,092.52 : 105,010.78 = 42,100.46 : x
  2. Step 2: Convert to fraction form
    76,092.52/105,010.78 = 42,100.46/x
  3. Step 3: Cross multiply
    76,092.52x = 105,010.78 × 42,100.46
  4. Step 4: Simplify right side
    76,092.52x = 4,421,001,807.77
  5. Step 5: Solve for x
    x = 4,421,001,807.77/76,092.52
  6. Step 6: Final answer
    x = 58,100.35

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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.