Home / 77,037.14-115,526.54-30,264.50

Finding the Fourth Proportional to 77,037.14, 115,526.54 and 30,264.50

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Solution

The fourth proportional to 77,037.14, 115,526.54 and 30,264.50 is: 45,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,037.14 : 115,526.54 = 30,264.50 : x
  2. Step 2: Convert to fraction form
    77,037.14/115,526.54 = 30,264.50/x
  3. Step 3: Cross multiply
    77,037.14x = 115,526.54 × 30,264.50
  4. Step 4: Simplify right side
    77,037.14x = 3,496,352,969.83
  5. Step 5: Solve for x
    x = 3,496,352,969.83/77,037.14
  6. Step 6: Final answer
    x = 45,385.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.