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Finding the Fourth Proportional to 58,854.66, 81,159.83 and 50,384.84

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Solution

The fourth proportional to 58,854.66, 81,159.83 and 50,384.84 is: 69,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,854.66 : 81,159.83 = 50,384.84 : x
  2. Step 2: Convert to fraction form
    58,854.66/81,159.83 = 50,384.84/x
  3. Step 3: Cross multiply
    58,854.66x = 81,159.83 × 50,384.84
  4. Step 4: Simplify right side
    58,854.66x = 4,089,224,391.25
  5. Step 5: Solve for x
    x = 4,089,224,391.25/58,854.66
  6. Step 6: Final answer
    x = 69,480.04

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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.