Home / 112,056.46-154,638.66-64,308.58

Finding the Fourth Proportional to 112,056.46, 154,638.66 and 64,308.58

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Solution

The fourth proportional to 112,056.46, 154,638.66 and 64,308.58 is: 88,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,056.46 : 154,638.66 = 64,308.58 : x
  2. Step 2: Convert to fraction form
    112,056.46/154,638.66 = 64,308.58/x
  3. Step 3: Cross multiply
    112,056.46x = 154,638.66 × 64,308.58
  4. Step 4: Simplify right side
    112,056.46x = 9,944,592,637.70
  5. Step 5: Solve for x
    x = 9,944,592,637.70/112,056.46
  6. Step 6: Final answer
    x = 88,746.27

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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.