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Finding the Fourth Proportional to 64,597.58, 89,152.05 and 35,920.10

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Solution

The fourth proportional to 64,597.58, 89,152.05 and 35,920.10 is: 49,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,597.58 : 89,152.05 = 35,920.10 : x
  2. Step 2: Convert to fraction form
    64,597.58/89,152.05 = 35,920.10/x
  3. Step 3: Cross multiply
    64,597.58x = 89,152.05 × 35,920.10
  4. Step 4: Simplify right side
    64,597.58x = 3,202,350,551.21
  5. Step 5: Solve for x
    x = 3,202,350,551.21/64,597.58
  6. Step 6: Final answer
    x = 49,573.85

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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.