Home / 88,003.17-121,435.38-54,013.08

Finding the Fourth Proportional to 88,003.17, 121,435.38 and 54,013.08

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Solution

The fourth proportional to 88,003.17, 121,435.38 and 54,013.08 is: 74,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,003.17 : 121,435.38 = 54,013.08 : x
  2. Step 2: Convert to fraction form
    88,003.17/121,435.38 = 54,013.08/x
  3. Step 3: Cross multiply
    88,003.17x = 121,435.38 × 54,013.08
  4. Step 4: Simplify right side
    88,003.17x = 6,559,098,894.77
  5. Step 5: Solve for x
    x = 6,559,098,894.77/88,003.17
  6. Step 6: Final answer
    x = 74,532.53

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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.