Home / 89,045.20-133,643.40-36,492.40

Finding the Fourth Proportional to 89,045.20, 133,643.40 and 36,492.40

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Solution

The fourth proportional to 89,045.20, 133,643.40 and 36,492.40 is: 54,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045.20 : 133,643.40 = 36,492.40 : x
  2. Step 2: Convert to fraction form
    89,045.20/133,643.40 = 36,492.40/x
  3. Step 3: Cross multiply
    89,045.20x = 133,643.40 × 36,492.40
  4. Step 4: Simplify right side
    89,045.20x = 4,876,968,410.16
  5. Step 5: Solve for x
    x = 4,876,968,410.16/89,045.20
  6. Step 6: Final answer
    x = 54,769.58

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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.