Home / 142,579.44-213,888.60-59,454

Finding the Fourth Proportional to 142,579.44, 213,888.60 and 59,454

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Solution

The fourth proportional to 142,579.44, 213,888.60 and 59,454 is: 89,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,579.44 : 213,888.60 = 59,454 : x
  2. Step 2: Convert to fraction form
    142,579.44/213,888.60 = 59,454/x
  3. Step 3: Cross multiply
    142,579.44x = 213,888.60 × 59,454
  4. Step 4: Simplify right side
    142,579.44x = 12,716,532,824.40
  5. Step 5: Solve for x
    x = 12,716,532,824.40/142,579.44
  6. Step 6: Final answer
    x = 89,189.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.