Home / 88,013.04-121,418.64-52,204.56

Finding the Fourth Proportional to 88,013.04, 121,418.64 and 52,204.56

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Solution

The fourth proportional to 88,013.04, 121,418.64 and 52,204.56 is: 72,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,013.04 : 121,418.64 = 52,204.56 : x
  2. Step 2: Convert to fraction form
    88,013.04/121,418.64 = 52,204.56/x
  3. Step 3: Cross multiply
    88,013.04x = 121,418.64 × 52,204.56
  4. Step 4: Simplify right side
    88,013.04x = 6,338,606,677.00
  5. Step 5: Solve for x
    x = 6,338,606,677.00/88,013.04
  6. Step 6: Final answer
    x = 72,018.95

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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.