Home / 66,075.12-98,749.44-48,342.96

Finding the Fourth Proportional to 66,075.12, 98,749.44 and 48,342.96

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Solution

The fourth proportional to 66,075.12, 98,749.44 and 48,342.96 is: 72,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,075.12 : 98,749.44 = 48,342.96 : x
  2. Step 2: Convert to fraction form
    66,075.12/98,749.44 = 48,342.96/x
  3. Step 3: Cross multiply
    66,075.12x = 98,749.44 × 48,342.96
  4. Step 4: Simplify right side
    66,075.12x = 4,773,840,227.94
  5. Step 5: Solve for x
    x = 4,773,840,227.94/66,075.12
  6. Step 6: Final answer
    x = 72,248.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.