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Finding the Fourth Proportional to 64,100.46, 88,460.04 and 35,806.20

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Solution

The fourth proportional to 64,100.46, 88,460.04 and 35,806.20 is: 49,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,100.46 : 88,460.04 = 35,806.20 : x
  2. Step 2: Convert to fraction form
    64,100.46/88,460.04 = 35,806.20/x
  3. Step 3: Cross multiply
    64,100.46x = 88,460.04 × 35,806.20
  4. Step 4: Simplify right side
    64,100.46x = 3,167,417,884.25
  5. Step 5: Solve for x
    x = 3,167,417,884.25/64,100.46
  6. Step 6: Final answer
    x = 49,413.34

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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.