Home / 66,521.20-99,493.80-59,551.60

Finding the Fourth Proportional to 66,521.20, 99,493.80 and 59,551.60

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Solution

The fourth proportional to 66,521.20, 99,493.80 and 59,551.60 is: 89,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521.20 : 99,493.80 = 59,551.60 : x
  2. Step 2: Convert to fraction form
    66,521.20/99,493.80 = 59,551.60/x
  3. Step 3: Cross multiply
    66,521.20x = 99,493.80 × 59,551.60
  4. Step 4: Simplify right side
    66,521.20x = 5,925,014,980.08
  5. Step 5: Solve for x
    x = 5,925,014,980.08/66,521.20
  6. Step 6: Final answer
    x = 89,069.57

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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.