Home / 61,386.12-84,712.03-34,528.61

Finding the Fourth Proportional to 61,386.12, 84,712.03 and 34,528.61

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Solution

The fourth proportional to 61,386.12, 84,712.03 and 34,528.61 is: 47,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,386.12 : 84,712.03 = 34,528.61 : x
  2. Step 2: Convert to fraction form
    61,386.12/84,712.03 = 34,528.61/x
  3. Step 3: Cross multiply
    61,386.12x = 84,712.03 × 34,528.61
  4. Step 4: Simplify right side
    61,386.12x = 2,924,988,771.64
  5. Step 5: Solve for x
    x = 2,924,988,771.64/61,386.12
  6. Step 6: Final answer
    x = 47,649.03

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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.