Home / 69,842.16-96,381.90-38,011.05

Finding the Fourth Proportional to 69,842.16, 96,381.90 and 38,011.05

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Solution

The fourth proportional to 69,842.16, 96,381.90 and 38,011.05 is: 52,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,842.16 : 96,381.90 = 38,011.05 : x
  2. Step 2: Convert to fraction form
    69,842.16/96,381.90 = 38,011.05/x
  3. Step 3: Cross multiply
    69,842.16x = 96,381.90 × 38,011.05
  4. Step 4: Simplify right side
    69,842.16x = 3,663,577,220.00
  5. Step 5: Solve for x
    x = 3,663,577,220.00/69,842.16
  6. Step 6: Final answer
    x = 52,455.10

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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.