Home / 74,970.07-112,364.17-55,064.05

Finding the Fourth Proportional to 74,970.07, 112,364.17 and 55,064.05

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Solution

The fourth proportional to 74,970.07, 112,364.17 and 55,064.05 is: 82,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,970.07 : 112,364.17 = 55,064.05 : x
  2. Step 2: Convert to fraction form
    74,970.07/112,364.17 = 55,064.05/x
  3. Step 3: Cross multiply
    74,970.07x = 112,364.17 × 55,064.05
  4. Step 4: Simplify right side
    74,970.07x = 6,187,226,275.09
  5. Step 5: Solve for x
    x = 6,187,226,275.09/74,970.07
  6. Step 6: Final answer
    x = 82,529.29

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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.