Home / 69,712.08-96,199.55-39,495.63

Finding the Fourth Proportional to 69,712.08, 96,199.55 and 39,495.63

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Solution

The fourth proportional to 69,712.08, 96,199.55 and 39,495.63 is: 54,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.08 : 96,199.55 = 39,495.63 : x
  2. Step 2: Convert to fraction form
    69,712.08/96,199.55 = 39,495.63/x
  3. Step 3: Cross multiply
    69,712.08x = 96,199.55 × 39,495.63
  4. Step 4: Simplify right side
    69,712.08x = 3,799,462,144.35
  5. Step 5: Solve for x
    x = 3,799,462,144.35/69,712.08
  6. Step 6: Final answer
    x = 54,502.21

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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.