Home / 112,124.85-154,746.21-64,377.17

Finding the Fourth Proportional to 112,124.85, 154,746.21 and 64,377.17

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Solution

The fourth proportional to 112,124.85, 154,746.21 and 64,377.17 is: 88,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,124.85 : 154,746.21 = 64,377.17 : x
  2. Step 2: Convert to fraction form
    112,124.85/154,746.21 = 64,377.17/x
  3. Step 3: Cross multiply
    112,124.85x = 154,746.21 × 64,377.17
  4. Step 4: Simplify right side
    112,124.85x = 9,962,123,068.03
  5. Step 5: Solve for x
    x = 9,962,123,068.03/112,124.85
  6. Step 6: Final answer
    x = 88,848.49

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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.