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Finding the Fourth Proportional to 64,423.35, 88,901.22 and 35,742.71

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Solution

The fourth proportional to 64,423.35, 88,901.22 and 35,742.71 is: 49,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,423.35 : 88,901.22 = 35,742.71 : x
  2. Step 2: Convert to fraction form
    64,423.35/88,901.22 = 35,742.71/x
  3. Step 3: Cross multiply
    64,423.35x = 88,901.22 × 35,742.71
  4. Step 4: Simplify right side
    64,423.35x = 3,177,570,080.60
  5. Step 5: Solve for x
    x = 3,177,570,080.60/64,423.35
  6. Step 6: Final answer
    x = 49,323.27

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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.