Home / 66,611.23-99,430.88-58,203.56

Finding the Fourth Proportional to 66,611.23, 99,430.88 and 58,203.56

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Solution

The fourth proportional to 66,611.23, 99,430.88 and 58,203.56 is: 86,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,611.23 : 99,430.88 = 58,203.56 : x
  2. Step 2: Convert to fraction form
    66,611.23/99,430.88 = 58,203.56/x
  3. Step 3: Cross multiply
    66,611.23x = 99,430.88 × 58,203.56
  4. Step 4: Simplify right side
    66,611.23x = 5,787,231,147.49
  5. Step 5: Solve for x
    x = 5,787,231,147.49/66,611.23
  6. Step 6: Final answer
    x = 86,880.72

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1.5x scale

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.