Home / 105,754.77-145,950.93-58,017.42

Finding the Fourth Proportional to 105,754.77, 145,950.93 and 58,017.42

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Solution

The fourth proportional to 105,754.77, 145,950.93 and 58,017.42 is: 80,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,754.77 : 145,950.93 = 58,017.42 : x
  2. Step 2: Convert to fraction form
    105,754.77/145,950.93 = 58,017.42/x
  3. Step 3: Cross multiply
    105,754.77x = 145,950.93 × 58,017.42
  4. Step 4: Simplify right side
    105,754.77x = 8,467,696,405.20
  5. Step 5: Solve for x
    x = 8,467,696,405.20/105,754.77
  6. Step 6: Final answer
    x = 80,069.17

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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.