Home / 43,291.95-64,935.50-11,701.55

Finding the Fourth Proportional to 43,291.95, 64,935.50 and 11,701.55

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Solution

The fourth proportional to 43,291.95, 64,935.50 and 11,701.55 is: 17,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,291.95 : 64,935.50 = 11,701.55 : x
  2. Step 2: Convert to fraction form
    43,291.95/64,935.50 = 11,701.55/x
  3. Step 3: Cross multiply
    43,291.95x = 64,935.50 × 11,701.55
  4. Step 4: Simplify right side
    43,291.95x = 759,845,616.84
  5. Step 5: Solve for x
    x = 759,845,616.84/43,291.95
  6. Step 6: Final answer
    x = 17,551.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.