Home / 65,001.36-97,516.08-20,631.68

Finding the Fourth Proportional to 65,001.36, 97,516.08 and 20,631.68

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Solution

The fourth proportional to 65,001.36, 97,516.08 and 20,631.68 is: 30,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,001.36 : 97,516.08 = 20,631.68 : x
  2. Step 2: Convert to fraction form
    65,001.36/97,516.08 = 20,631.68/x
  3. Step 3: Cross multiply
    65,001.36x = 97,516.08 × 20,631.68
  4. Step 4: Simplify right side
    65,001.36x = 2,011,920,557.41
  5. Step 5: Solve for x
    x = 2,011,920,557.41/65,001.36
  6. Step 6: Final answer
    x = 30,951.98

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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.