Home / 61,643.06-85,068.12-34,785.89

Finding the Fourth Proportional to 61,643.06, 85,068.12 and 34,785.89

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Solution

The fourth proportional to 61,643.06, 85,068.12 and 34,785.89 is: 48,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,643.06 : 85,068.12 = 34,785.89 : x
  2. Step 2: Convert to fraction form
    61,643.06/85,068.12 = 34,785.89/x
  3. Step 3: Cross multiply
    61,643.06x = 85,068.12 × 34,785.89
  4. Step 4: Simplify right side
    61,643.06x = 2,959,169,839.49
  5. Step 5: Solve for x
    x = 2,959,169,839.49/61,643.06
  6. Step 6: Final answer
    x = 48,004.92

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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.