Home / 72,126.08-99,415.04-48,244.16

Finding the Fourth Proportional to 72,126.08, 99,415.04 and 48,244.16

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Solution

The fourth proportional to 72,126.08, 99,415.04 and 48,244.16 is: 66,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,126.08 : 99,415.04 = 48,244.16 : x
  2. Step 2: Convert to fraction form
    72,126.08/99,415.04 = 48,244.16/x
  3. Step 3: Cross multiply
    72,126.08x = 99,415.04 × 48,244.16
  4. Step 4: Simplify right side
    72,126.08x = 4,796,195,096.17
  5. Step 5: Solve for x
    x = 4,796,195,096.17/72,126.08
  6. Step 6: Final answer
    x = 66,497.38

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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.