Home / 64,144.04-88,511.12-35,459.84

Finding the Fourth Proportional to 64,144.04, 88,511.12 and 35,459.84

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Solution

The fourth proportional to 64,144.04, 88,511.12 and 35,459.84 is: 48,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,144.04 : 88,511.12 = 35,459.84 : x
  2. Step 2: Convert to fraction form
    64,144.04/88,511.12 = 35,459.84/x
  3. Step 3: Cross multiply
    64,144.04x = 88,511.12 × 35,459.84
  4. Step 4: Simplify right side
    64,144.04x = 3,138,590,153.42
  5. Step 5: Solve for x
    x = 3,138,590,153.42/64,144.04
  6. Step 6: Final answer
    x = 48,930.35

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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.