Home / 105,277.36-157,916.04-52,633.84

Finding the Fourth Proportional to 105,277.36, 157,916.04 and 52,633.84

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Solution

The fourth proportional to 105,277.36, 157,916.04 and 52,633.84 is: 78,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,277.36 : 157,916.04 = 52,633.84 : x
  2. Step 2: Convert to fraction form
    105,277.36/157,916.04 = 52,633.84/x
  3. Step 3: Cross multiply
    105,277.36x = 157,916.04 × 52,633.84
  4. Step 4: Simplify right side
    105,277.36x = 8,311,727,582.79
  5. Step 5: Solve for x
    x = 8,311,727,582.79/105,277.36
  6. Step 6: Final answer
    x = 78,950.76

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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.