Home / 66,597.12-99,930.24-48,280.32

Finding the Fourth Proportional to 66,597.12, 99,930.24 and 48,280.32

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Solution

The fourth proportional to 66,597.12, 99,930.24 and 48,280.32 is: 72,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,597.12 : 99,930.24 = 48,280.32 : x
  2. Step 2: Convert to fraction form
    66,597.12/99,930.24 = 48,280.32/x
  3. Step 3: Cross multiply
    66,597.12x = 99,930.24 × 48,280.32
  4. Step 4: Simplify right side
    66,597.12x = 4,824,663,964.88
  5. Step 5: Solve for x
    x = 4,824,663,964.88/66,597.12
  6. Step 6: Final answer
    x = 72,445.53

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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.