Home / 112,023.84-154,596.40-64,285.92

Finding the Fourth Proportional to 112,023.84, 154,596.40 and 64,285.92

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Solution

The fourth proportional to 112,023.84, 154,596.40 and 64,285.92 is: 88,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,023.84 : 154,596.40 = 64,285.92 : x
  2. Step 2: Convert to fraction form
    112,023.84/154,596.40 = 64,285.92/x
  3. Step 3: Cross multiply
    112,023.84x = 154,596.40 × 64,285.92
  4. Step 4: Simplify right side
    112,023.84x = 9,938,371,802.69
  5. Step 5: Solve for x
    x = 9,938,371,802.69/112,023.84
  6. Step 6: Final answer
    x = 88,716.58

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1.5x scale

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.