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Finding the Fourth Proportional to 66,595.44, 91,914.60 and 42,752.24

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Solution

The fourth proportional to 66,595.44, 91,914.60 and 42,752.24 is: 59,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,595.44 : 91,914.60 = 42,752.24 : x
  2. Step 2: Convert to fraction form
    66,595.44/91,914.60 = 42,752.24/x
  3. Step 3: Cross multiply
    66,595.44x = 91,914.60 × 42,752.24
  4. Step 4: Simplify right side
    66,595.44x = 3,929,555,038.70
  5. Step 5: Solve for x
    x = 3,929,555,038.70/66,595.44
  6. Step 6: Final answer
    x = 59,006.37

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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.