Home / 112,252-154,909.92-61,949.92

Finding the Fourth Proportional to 112,252, 154,909.92 and 61,949.92

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Solution

The fourth proportional to 112,252, 154,909.92 and 61,949.92 is: 85,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,252 : 154,909.92 = 61,949.92 : x
  2. Step 2: Convert to fraction form
    112,252/154,909.92 = 61,949.92/x
  3. Step 3: Cross multiply
    112,252x = 154,909.92 × 61,949.92
  4. Step 4: Simplify right side
    112,252x = 9,596,657,151.21
  5. Step 5: Solve for x
    x = 9,596,657,151.21/112,252
  6. Step 6: Final answer
    x = 85,492.08

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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.