Home / 88,118.69-121,629.44-53,675.87

Finding the Fourth Proportional to 88,118.69, 121,629.44 and 53,675.87

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Solution

The fourth proportional to 88,118.69, 121,629.44 and 53,675.87 is: 74,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,118.69 : 121,629.44 = 53,675.87 : x
  2. Step 2: Convert to fraction form
    88,118.69/121,629.44 = 53,675.87/x
  3. Step 3: Cross multiply
    88,118.69x = 121,629.44 × 53,675.87
  4. Step 4: Simplify right side
    88,118.69x = 6,528,565,535.66
  5. Step 5: Solve for x
    x = 6,528,565,535.66/88,118.69
  6. Step 6: Final answer
    x = 74,088.32

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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.