Home / 74,032.13-102,166.77-40,498.13

Finding the Fourth Proportional to 74,032.13, 102,166.77 and 40,498.13

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Solution

The fourth proportional to 74,032.13, 102,166.77 and 40,498.13 is: 55,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,032.13 : 102,166.77 = 40,498.13 : x
  2. Step 2: Convert to fraction form
    74,032.13/102,166.77 = 40,498.13/x
  3. Step 3: Cross multiply
    74,032.13x = 102,166.77 × 40,498.13
  4. Step 4: Simplify right side
    74,032.13x = 4,137,562,622.31
  5. Step 5: Solve for x
    x = 4,137,562,622.31/74,032.13
  6. Step 6: Final answer
    x = 55,888.75

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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.