Home / 77,471.12-116,192.70-21,303.95

Finding the Fourth Proportional to 77,471.12, 116,192.70 and 21,303.95

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Solution

The fourth proportional to 77,471.12, 116,192.70 and 21,303.95 is: 31,952.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,471.12 : 116,192.70 = 21,303.95 : x
  2. Step 2: Convert to fraction form
    77,471.12/116,192.70 = 21,303.95/x
  3. Step 3: Cross multiply
    77,471.12x = 116,192.70 × 21,303.95
  4. Step 4: Simplify right side
    77,471.12x = 2,475,362,890.20
  5. Step 5: Solve for x
    x = 2,475,362,890.20/77,471.12
  6. Step 6: Final answer
    x = 31,952.08

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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.