Home / 85,339.08-127,886.62-62,671.96

Finding the Fourth Proportional to 85,339.08, 127,886.62 and 62,671.96

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Solution

The fourth proportional to 85,339.08, 127,886.62 and 62,671.96 is: 93,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,339.08 : 127,886.62 = 62,671.96 : x
  2. Step 2: Convert to fraction form
    85,339.08/127,886.62 = 62,671.96/x
  3. Step 3: Cross multiply
    85,339.08x = 127,886.62 × 62,671.96
  4. Step 4: Simplify right side
    85,339.08x = 8,014,905,133.18
  5. Step 5: Solve for x
    x = 8,014,905,133.18/85,339.08
  6. Step 6: Final answer
    x = 93,918.34

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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.