Home / 69,108.04-103,660.14-48,345.16

Finding the Fourth Proportional to 69,108.04, 103,660.14 and 48,345.16

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Solution

The fourth proportional to 69,108.04, 103,660.14 and 48,345.16 is: 72,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108.04 : 103,660.14 = 48,345.16 : x
  2. Step 2: Convert to fraction form
    69,108.04/103,660.14 = 48,345.16/x
  3. Step 3: Cross multiply
    69,108.04x = 103,660.14 × 48,345.16
  4. Step 4: Simplify right side
    69,108.04x = 5,011,466,053.92
  5. Step 5: Solve for x
    x = 5,011,466,053.92/69,108.04
  6. Step 6: Final answer
    x = 72,516.40

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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.