Home / 112,328.82-155,014.04-61,341.95

Finding the Fourth Proportional to 112,328.82, 155,014.04 and 61,341.95

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Solution

The fourth proportional to 112,328.82, 155,014.04 and 61,341.95 is: 84,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328.82 : 155,014.04 = 61,341.95 : x
  2. Step 2: Convert to fraction form
    112,328.82/155,014.04 = 61,341.95/x
  3. Step 3: Cross multiply
    112,328.82x = 155,014.04 × 61,341.95
  4. Step 4: Simplify right side
    112,328.82x = 9,508,864,031.87
  5. Step 5: Solve for x
    x = 9,508,864,031.87/112,328.82
  6. Step 6: Final answer
    x = 84,652.04

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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.