Home / 69,666.16-96,168.69-47,035.78

Finding the Fourth Proportional to 69,666.16, 96,168.69 and 47,035.78

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Solution

The fourth proportional to 69,666.16, 96,168.69 and 47,035.78 is: 64,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,666.16 : 96,168.69 = 47,035.78 : x
  2. Step 2: Convert to fraction form
    69,666.16/96,168.69 = 47,035.78/x
  3. Step 3: Cross multiply
    69,666.16x = 96,168.69 × 47,035.78
  4. Step 4: Simplify right side
    69,666.16x = 4,523,369,345.73
  5. Step 5: Solve for x
    x = 4,523,369,345.73/69,666.16
  6. Step 6: Final answer
    x = 64,929.22

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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.