Home / 84,495.06-126,696.15-28,305.63

Finding the Fourth Proportional to 84,495.06, 126,696.15 and 28,305.63

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Solution

The fourth proportional to 84,495.06, 126,696.15 and 28,305.63 is: 42,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,495.06 : 126,696.15 = 28,305.63 : x
  2. Step 2: Convert to fraction form
    84,495.06/126,696.15 = 28,305.63/x
  3. Step 3: Cross multiply
    84,495.06x = 126,696.15 × 28,305.63
  4. Step 4: Simplify right side
    84,495.06x = 3,586,214,344.32
  5. Step 5: Solve for x
    x = 3,586,214,344.32/84,495.06
  6. Step 6: Final answer
    x = 42,442.89

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1.5x scale

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.