Home / 88,919.17-122,708.32-53,130.13

Finding the Fourth Proportional to 88,919.17, 122,708.32 and 53,130.13

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Solution

The fourth proportional to 88,919.17, 122,708.32 and 53,130.13 is: 73,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,919.17 : 122,708.32 = 53,130.13 : x
  2. Step 2: Convert to fraction form
    88,919.17/122,708.32 = 53,130.13/x
  3. Step 3: Cross multiply
    88,919.17x = 122,708.32 × 53,130.13
  4. Step 4: Simplify right side
    88,919.17x = 6,519,508,554.09
  5. Step 5: Solve for x
    x = 6,519,508,554.09/88,919.17
  6. Step 6: Final answer
    x = 73,319.50

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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.