Home / 94,112.70-129,880.71-53,828.16

Finding the Fourth Proportional to 94,112.70, 129,880.71 and 53,828.16

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Solution

The fourth proportional to 94,112.70, 129,880.71 and 53,828.16 is: 74,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,112.70 : 129,880.71 = 53,828.16 : x
  2. Step 2: Convert to fraction form
    94,112.70/129,880.71 = 53,828.16/x
  3. Step 3: Cross multiply
    94,112.70x = 129,880.71 × 53,828.16
  4. Step 4: Simplify right side
    94,112.70x = 6,991,239,638.79
  5. Step 5: Solve for x
    x = 6,991,239,638.79/94,112.70
  6. Step 6: Final answer
    x = 74,285.83

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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.