Home / 84,705.83-127,070.45-28,562.00

Finding the Fourth Proportional to 84,705.83, 127,070.45 and 28,562.00

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Solution

The fourth proportional to 84,705.83, 127,070.45 and 28,562.00 is: 42,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,705.83 : 127,070.45 = 28,562.00 : x
  2. Step 2: Convert to fraction form
    84,705.83/127,070.45 = 28,562.00/x
  3. Step 3: Cross multiply
    84,705.83x = 127,070.45 × 28,562.00
  4. Step 4: Simplify right side
    84,705.83x = 3,629,385,628.95
  5. Step 5: Solve for x
    x = 3,629,385,628.95/84,705.83
  6. Step 6: Final answer
    x = 42,846.94

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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.