Home / 89,035.20-133,628.40-36,482.40

Finding the Fourth Proportional to 89,035.20, 133,628.40 and 36,482.40

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Solution

The fourth proportional to 89,035.20, 133,628.40 and 36,482.40 is: 54,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,035.20 : 133,628.40 = 36,482.40 : x
  2. Step 2: Convert to fraction form
    89,035.20/133,628.40 = 36,482.40/x
  3. Step 3: Cross multiply
    89,035.20x = 133,628.40 × 36,482.40
  4. Step 4: Simplify right side
    89,035.20x = 4,875,084,740.16
  5. Step 5: Solve for x
    x = 4,875,084,740.16/89,035.20
  6. Step 6: Final answer
    x = 54,754.58

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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.