Home / 61,207.45-84,444.63-39,999.02

Finding the Fourth Proportional to 61,207.45, 84,444.63 and 39,999.02

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Solution

The fourth proportional to 61,207.45, 84,444.63 and 39,999.02 is: 55,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,207.45 : 84,444.63 = 39,999.02 : x
  2. Step 2: Convert to fraction form
    61,207.45/84,444.63 = 39,999.02/x
  3. Step 3: Cross multiply
    61,207.45x = 84,444.63 × 39,999.02
  4. Step 4: Simplify right side
    61,207.45x = 3,377,701,872.04
  5. Step 5: Solve for x
    x = 3,377,701,872.04/61,207.45
  6. Step 6: Final answer
    x = 55,184.49

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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.