Home / 88,668.07-122,382.50-58,458.71

Finding the Fourth Proportional to 88,668.07, 122,382.50 and 58,458.71

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Solution

The fourth proportional to 88,668.07, 122,382.50 and 58,458.71 is: 80,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,668.07 : 122,382.50 = 58,458.71 : x
  2. Step 2: Convert to fraction form
    88,668.07/122,382.50 = 58,458.71/x
  3. Step 3: Cross multiply
    88,668.07x = 122,382.50 × 58,458.71
  4. Step 4: Simplify right side
    88,668.07x = 7,154,323,090.24
  5. Step 5: Solve for x
    x = 7,154,323,090.24/88,668.07
  6. Step 6: Final answer
    x = 80,686.58

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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.