Home / 114,819.54-172,068.93-55,639.50

Finding the Fourth Proportional to 114,819.54, 172,068.93 and 55,639.50

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Solution

The fourth proportional to 114,819.54, 172,068.93 and 55,639.50 is: 83,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,819.54 : 172,068.93 = 55,639.50 : x
  2. Step 2: Convert to fraction form
    114,819.54/172,068.93 = 55,639.50/x
  3. Step 3: Cross multiply
    114,819.54x = 172,068.93 × 55,639.50
  4. Step 4: Simplify right side
    114,819.54x = 9,573,829,230.74
  5. Step 5: Solve for x
    x = 9,573,829,230.74/114,819.54
  6. Step 6: Final answer
    x = 83,381.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.