Home / 81,296.19-112,193.10-45,484.07

Finding the Fourth Proportional to 81,296.19, 112,193.10 and 45,484.07

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Solution

The fourth proportional to 81,296.19, 112,193.10 and 45,484.07 is: 62,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,296.19 : 112,193.10 = 45,484.07 : x
  2. Step 2: Convert to fraction form
    81,296.19/112,193.10 = 45,484.07/x
  3. Step 3: Cross multiply
    81,296.19x = 112,193.10 × 45,484.07
  4. Step 4: Simplify right side
    81,296.19x = 5,102,998,252.95
  5. Step 5: Solve for x
    x = 5,102,998,252.95/81,296.19
  6. Step 6: Final answer
    x = 62,770.45

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1.5x scale

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.