Home / 86,483.84-129,671.04-36,538.24

Finding the Fourth Proportional to 86,483.84, 129,671.04 and 36,538.24

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Solution

The fourth proportional to 86,483.84, 129,671.04 and 36,538.24 is: 54,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,483.84 : 129,671.04 = 36,538.24 : x
  2. Step 2: Convert to fraction form
    86,483.84/129,671.04 = 36,538.24/x
  3. Step 3: Cross multiply
    86,483.84x = 129,671.04 × 36,538.24
  4. Step 4: Simplify right side
    86,483.84x = 4,737,951,580.57
  5. Step 5: Solve for x
    x = 4,737,951,580.57/86,483.84
  6. Step 6: Final answer
    x = 54,784.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.