Home / 61,530.18-84,957.15-37,689.42

Finding the Fourth Proportional to 61,530.18, 84,957.15 and 37,689.42

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Solution

The fourth proportional to 61,530.18, 84,957.15 and 37,689.42 is: 52,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,530.18 : 84,957.15 = 37,689.42 : x
  2. Step 2: Convert to fraction form
    61,530.18/84,957.15 = 37,689.42/x
  3. Step 3: Cross multiply
    61,530.18x = 84,957.15 × 37,689.42
  4. Step 4: Simplify right side
    61,530.18x = 3,201,985,708.35
  5. Step 5: Solve for x
    x = 3,201,985,708.35/61,530.18
  6. Step 6: Final answer
    x = 52,039.27

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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.