Home / 88,284.13-121,834.63-53,830.88

Finding the Fourth Proportional to 88,284.13, 121,834.63 and 53,830.88

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Solution

The fourth proportional to 88,284.13, 121,834.63 and 53,830.88 is: 74,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,284.13 : 121,834.63 = 53,830.88 : x
  2. Step 2: Convert to fraction form
    88,284.13/121,834.63 = 53,830.88/x
  3. Step 3: Cross multiply
    88,284.13x = 121,834.63 × 53,830.88
  4. Step 4: Simplify right side
    88,284.13x = 6,558,465,262.37
  5. Step 5: Solve for x
    x = 6,558,465,262.37/88,284.13
  6. Step 6: Final answer
    x = 74,288.16

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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.