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Finding the Fourth Proportional to 64,342.58, 96,551.80 and 26,899.76

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Solution

The fourth proportional to 64,342.58, 96,551.80 and 26,899.76 is: 40,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,342.58 : 96,551.80 = 26,899.76 : x
  2. Step 2: Convert to fraction form
    64,342.58/96,551.80 = 26,899.76/x
  3. Step 3: Cross multiply
    64,342.58x = 96,551.80 × 26,899.76
  4. Step 4: Simplify right side
    64,342.58x = 2,597,220,421.70
  5. Step 5: Solve for x
    x = 2,597,220,421.70/64,342.58
  6. Step 6: Final answer
    x = 40,365.50

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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.