Home / 76,289.76-105,292.08-44,477.28

Finding the Fourth Proportional to 76,289.76, 105,292.08 and 44,477.28

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Solution

The fourth proportional to 76,289.76, 105,292.08 and 44,477.28 is: 61,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,289.76 : 105,292.08 = 44,477.28 : x
  2. Step 2: Convert to fraction form
    76,289.76/105,292.08 = 44,477.28/x
  3. Step 3: Cross multiply
    76,289.76x = 105,292.08 × 44,477.28
  4. Step 4: Simplify right side
    76,289.76x = 4,683,105,323.94
  5. Step 5: Solve for x
    x = 4,683,105,323.94/76,289.76
  6. Step 6: Final answer
    x = 61,385.77

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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.