Home / 77,664.59-116,541.14-30,273.52

Finding the Fourth Proportional to 77,664.59, 116,541.14 and 30,273.52

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Solution

The fourth proportional to 77,664.59, 116,541.14 and 30,273.52 is: 45,427.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,664.59 : 116,541.14 = 30,273.52 : x
  2. Step 2: Convert to fraction form
    77,664.59/116,541.14 = 30,273.52/x
  3. Step 3: Cross multiply
    77,664.59x = 116,541.14 × 30,273.52
  4. Step 4: Simplify right side
    77,664.59x = 3,528,110,089.89
  5. Step 5: Solve for x
    x = 3,528,110,089.89/77,664.59
  6. Step 6: Final answer
    x = 45,427.52

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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.