Home / 61,261.17-91,904.52-19,139.55

Finding the Fourth Proportional to 61,261.17, 91,904.52 and 19,139.55

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Solution

The fourth proportional to 61,261.17, 91,904.52 and 19,139.55 is: 28,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,261.17 : 91,904.52 = 19,139.55 : x
  2. Step 2: Convert to fraction form
    61,261.17/91,904.52 = 19,139.55/x
  3. Step 3: Cross multiply
    61,261.17x = 91,904.52 × 19,139.55
  4. Step 4: Simplify right side
    61,261.17x = 1,759,011,155.77
  5. Step 5: Solve for x
    x = 1,759,011,155.77/61,261.17
  6. Step 6: Final answer
    x = 28,713.31

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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.