Home / 78,352.79-117,533.28-59,662.14

Finding the Fourth Proportional to 78,352.79, 117,533.28 and 59,662.14

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Solution

The fourth proportional to 78,352.79, 117,533.28 and 59,662.14 is: 89,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,352.79 : 117,533.28 = 59,662.14 : x
  2. Step 2: Convert to fraction form
    78,352.79/117,533.28 = 59,662.14/x
  3. Step 3: Cross multiply
    78,352.79x = 117,533.28 × 59,662.14
  4. Step 4: Simplify right side
    78,352.79x = 7,012,286,453.40
  5. Step 5: Solve for x
    x = 7,012,286,453.40/78,352.79
  6. Step 6: Final answer
    x = 89,496.33

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1.5x scale

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.