Home / 94,112.20-129,880.02-53,827.66

Finding the Fourth Proportional to 94,112.20, 129,880.02 and 53,827.66

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Solution

The fourth proportional to 94,112.20, 129,880.02 and 53,827.66 is: 74,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,112.20 : 129,880.02 = 53,827.66 : x
  2. Step 2: Convert to fraction form
    94,112.20/129,880.02 = 53,827.66/x
  3. Step 3: Cross multiply
    94,112.20x = 129,880.02 × 53,827.66
  4. Step 4: Simplify right side
    94,112.20x = 6,991,137,557.35
  5. Step 5: Solve for x
    x = 6,991,137,557.35/94,112.20
  6. Step 6: Final answer
    x = 74,285.14

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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.