Home / 65,071.35-89,800.56-36,000.18

Finding the Fourth Proportional to 65,071.35, 89,800.56 and 36,000.18

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Solution

The fourth proportional to 65,071.35, 89,800.56 and 36,000.18 is: 49,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,071.35 : 89,800.56 = 36,000.18 : x
  2. Step 2: Convert to fraction form
    65,071.35/89,800.56 = 36,000.18/x
  3. Step 3: Cross multiply
    65,071.35x = 89,800.56 × 36,000.18
  4. Step 4: Simplify right side
    65,071.35x = 3,232,836,324.10
  5. Step 5: Solve for x
    x = 3,232,836,324.10/65,071.35
  6. Step 6: Final answer
    x = 49,681.41

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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.