Home / 88,204.36-121,726.28-54,214.32

Finding the Fourth Proportional to 88,204.36, 121,726.28 and 54,214.32

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Solution

The fourth proportional to 88,204.36, 121,726.28 and 54,214.32 is: 74,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,204.36 : 121,726.28 = 54,214.32 : x
  2. Step 2: Convert to fraction form
    88,204.36/121,726.28 = 54,214.32/x
  3. Step 3: Cross multiply
    88,204.36x = 121,726.28 × 54,214.32
  4. Step 4: Simplify right side
    88,204.36x = 6,599,307,496.33
  5. Step 5: Solve for x
    x = 6,599,307,496.33/88,204.36
  6. Step 6: Final answer
    x = 74,818.38

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1.5x scale

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.