Home / 61,124.22-84,369.06-39,613.23

Finding the Fourth Proportional to 61,124.22, 84,369.06 and 39,613.23

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Solution

The fourth proportional to 61,124.22, 84,369.06 and 39,613.23 is: 54,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,124.22 : 84,369.06 = 39,613.23 : x
  2. Step 2: Convert to fraction form
    61,124.22/84,369.06 = 39,613.23/x
  3. Step 3: Cross multiply
    61,124.22x = 84,369.06 × 39,613.23
  4. Step 4: Simplify right side
    61,124.22x = 3,342,130,978.66
  5. Step 5: Solve for x
    x = 3,342,130,978.66/61,124.22
  6. Step 6: Final answer
    x = 54,677.69

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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.