Home / 106,929.15-147,599.10-61,625.22

Finding the Fourth Proportional to 106,929.15, 147,599.10 and 61,625.22

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Solution

The fourth proportional to 106,929.15, 147,599.10 and 61,625.22 is: 85,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,929.15 : 147,599.10 = 61,625.22 : x
  2. Step 2: Convert to fraction form
    106,929.15/147,599.10 = 61,625.22/x
  3. Step 3: Cross multiply
    106,929.15x = 147,599.10 × 61,625.22
  4. Step 4: Simplify right side
    106,929.15x = 9,095,826,701.18
  5. Step 5: Solve for x
    x = 9,095,826,701.18/106,929.15
  6. Step 6: Final answer
    x = 85,064.05

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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.