Home / 77,088.79-106,411.94-50,237.89

Finding the Fourth Proportional to 77,088.79, 106,411.94 and 50,237.89

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Solution

The fourth proportional to 77,088.79, 106,411.94 and 50,237.89 is: 69,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,088.79 : 106,411.94 = 50,237.89 : x
  2. Step 2: Convert to fraction form
    77,088.79/106,411.94 = 50,237.89/x
  3. Step 3: Cross multiply
    77,088.79x = 106,411.94 × 50,237.89
  4. Step 4: Simplify right side
    77,088.79x = 5,345,911,336.41
  5. Step 5: Solve for x
    x = 5,345,911,336.41/77,088.79
  6. Step 6: Final answer
    x = 69,347.45

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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.