Home / 61,390.12-84,725.86-34,533.76

Finding the Fourth Proportional to 61,390.12, 84,725.86 and 34,533.76

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Solution

The fourth proportional to 61,390.12, 84,725.86 and 34,533.76 is: 47,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,390.12 : 84,725.86 = 34,533.76 : x
  2. Step 2: Convert to fraction form
    61,390.12/84,725.86 = 34,533.76/x
  3. Step 3: Cross multiply
    61,390.12x = 84,725.86 × 34,533.76
  4. Step 4: Simplify right side
    61,390.12x = 2,925,902,515.03
  5. Step 5: Solve for x
    x = 2,925,902,515.03/61,390.12
  6. Step 6: Final answer
    x = 47,660.80

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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.