Home / 105,753.63-158,622.04-42,529.19

Finding the Fourth Proportional to 105,753.63, 158,622.04 and 42,529.19

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Solution

The fourth proportional to 105,753.63, 158,622.04 and 42,529.19 is: 63,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,753.63 : 158,622.04 = 42,529.19 : x
  2. Step 2: Convert to fraction form
    105,753.63/158,622.04 = 42,529.19/x
  3. Step 3: Cross multiply
    105,753.63x = 158,622.04 × 42,529.19
  4. Step 4: Simplify right side
    105,753.63x = 6,746,066,137.40
  5. Step 5: Solve for x
    x = 6,746,066,137.40/105,753.63
  6. Step 6: Final answer
    x = 63,790.40

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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.