Home / 76,021.34-104,901.41-42,024.35

Finding the Fourth Proportional to 76,021.34, 104,901.41 and 42,024.35

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Solution

The fourth proportional to 76,021.34, 104,901.41 and 42,024.35 is: 57,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021.34 : 104,901.41 = 42,024.35 : x
  2. Step 2: Convert to fraction form
    76,021.34/104,901.41 = 42,024.35/x
  3. Step 3: Cross multiply
    76,021.34x = 104,901.41 × 42,024.35
  4. Step 4: Simplify right side
    76,021.34x = 4,408,413,936.65
  5. Step 5: Solve for x
    x = 4,408,413,936.65/76,021.34
  6. Step 6: Final answer
    x = 57,989.17

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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.