Home / 69,643.55-96,108.09-37,812.45

Finding the Fourth Proportional to 69,643.55, 96,108.09 and 37,812.45

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Solution

The fourth proportional to 69,643.55, 96,108.09 and 37,812.45 is: 52,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,643.55 : 96,108.09 = 37,812.45 : x
  2. Step 2: Convert to fraction form
    69,643.55/96,108.09 = 37,812.45/x
  3. Step 3: Cross multiply
    69,643.55x = 96,108.09 × 37,812.45
  4. Step 4: Simplify right side
    69,643.55x = 3,634,082,347.72
  5. Step 5: Solve for x
    x = 3,634,082,347.72/69,643.55
  6. Step 6: Final answer
    x = 52,181.18

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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.