Home / 74,461.77-102,648.33-61,011.72

Finding the Fourth Proportional to 74,461.77, 102,648.33 and 61,011.72

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Solution

The fourth proportional to 74,461.77, 102,648.33 and 61,011.72 is: 84,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,461.77 : 102,648.33 = 61,011.72 : x
  2. Step 2: Convert to fraction form
    74,461.77/102,648.33 = 61,011.72/x
  3. Step 3: Cross multiply
    74,461.77x = 102,648.33 × 61,011.72
  4. Step 4: Simplify right side
    74,461.77x = 6,262,751,168.43
  5. Step 5: Solve for x
    x = 6,262,751,168.43/74,461.77
  6. Step 6: Final answer
    x = 84,106.93

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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.