Home / 112,665.74-169,030.40-56,437.97

Finding the Fourth Proportional to 112,665.74, 169,030.40 and 56,437.97

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Solution

The fourth proportional to 112,665.74, 169,030.40 and 56,437.97 is: 84,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,665.74 : 169,030.40 = 56,437.97 : x
  2. Step 2: Convert to fraction form
    112,665.74/169,030.40 = 56,437.97/x
  3. Step 3: Cross multiply
    112,665.74x = 169,030.40 × 56,437.97
  4. Step 4: Simplify right side
    112,665.74x = 9,539,731,516.95
  5. Step 5: Solve for x
    x = 9,539,731,516.95/112,665.74
  6. Step 6: Final answer
    x = 84,672.87

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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.