Home / 72,897.03-100,616.67-47,466.87

Finding the Fourth Proportional to 72,897.03, 100,616.67 and 47,466.87

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Solution

The fourth proportional to 72,897.03, 100,616.67 and 47,466.87 is: 65,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,897.03 : 100,616.67 = 47,466.87 : x
  2. Step 2: Convert to fraction form
    72,897.03/100,616.67 = 47,466.87/x
  3. Step 3: Cross multiply
    72,897.03x = 100,616.67 × 47,466.87
  4. Step 4: Simplify right side
    72,897.03x = 4,775,958,394.72
  5. Step 5: Solve for x
    x = 4,775,958,394.72/72,897.03
  6. Step 6: Final answer
    x = 65,516.50

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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.