Home / 61,434.04-84,783.18-34,579.12

Finding the Fourth Proportional to 61,434.04, 84,783.18 and 34,579.12

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Solution

The fourth proportional to 61,434.04, 84,783.18 and 34,579.12 is: 47,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,434.04 : 84,783.18 = 34,579.12 : x
  2. Step 2: Convert to fraction form
    61,434.04/84,783.18 = 34,579.12/x
  3. Step 3: Cross multiply
    61,434.04x = 84,783.18 × 34,579.12
  4. Step 4: Simplify right side
    61,434.04x = 2,931,727,755.20
  5. Step 5: Solve for x
    x = 2,931,727,755.20/61,434.04
  6. Step 6: Final answer
    x = 47,721.55

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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.