Home / 77,530.74-116,070.17-57,628.38

Finding the Fourth Proportional to 77,530.74, 116,070.17 and 57,628.38

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Solution

The fourth proportional to 77,530.74, 116,070.17 and 57,628.38 is: 86,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530.74 : 116,070.17 = 57,628.38 : x
  2. Step 2: Convert to fraction form
    77,530.74/116,070.17 = 57,628.38/x
  3. Step 3: Cross multiply
    77,530.74x = 116,070.17 × 57,628.38
  4. Step 4: Simplify right side
    77,530.74x = 6,688,936,010.55
  5. Step 5: Solve for x
    x = 6,688,936,010.55/77,530.74
  6. Step 6: Final answer
    x = 86,274.64

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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.