Home / 94,140.83-129,916.61-51,700.28

Finding the Fourth Proportional to 94,140.83, 129,916.61 and 51,700.28

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Solution

The fourth proportional to 94,140.83, 129,916.61 and 51,700.28 is: 71,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,140.83 : 129,916.61 = 51,700.28 : x
  2. Step 2: Convert to fraction form
    94,140.83/129,916.61 = 51,700.28/x
  3. Step 3: Cross multiply
    94,140.83x = 129,916.61 × 51,700.28
  4. Step 4: Simplify right side
    94,140.83x = 6,716,724,399.44
  5. Step 5: Solve for x
    x = 6,716,724,399.44/94,140.83
  6. Step 6: Final answer
    x = 71,347.62

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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.