Home / 76,037.88-104,930.22-42,510.36

Finding the Fourth Proportional to 76,037.88, 104,930.22 and 42,510.36

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Solution

The fourth proportional to 76,037.88, 104,930.22 and 42,510.36 is: 58,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,037.88 : 104,930.22 = 42,510.36 : x
  2. Step 2: Convert to fraction form
    76,037.88/104,930.22 = 42,510.36/x
  3. Step 3: Cross multiply
    76,037.88x = 104,930.22 × 42,510.36
  4. Step 4: Simplify right side
    76,037.88x = 4,460,621,427.08
  5. Step 5: Solve for x
    x = 4,460,621,427.08/76,037.88
  6. Step 6: Final answer
    x = 58,663.15

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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.