Home / 76,055.40-104,740.26-74,427.24

Finding the Fourth Proportional to 76,055.40, 104,740.26 and 74,427.24

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Solution

The fourth proportional to 76,055.40, 104,740.26 and 74,427.24 is: 102,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,055.40 : 104,740.26 = 74,427.24 : x
  2. Step 2: Convert to fraction form
    76,055.40/104,740.26 = 74,427.24/x
  3. Step 3: Cross multiply
    76,055.40x = 104,740.26 × 74,427.24
  4. Step 4: Simplify right side
    76,055.40x = 7,795,528,468.68
  5. Step 5: Solve for x
    x = 7,795,528,468.68/76,055.40
  6. Step 6: Final answer
    x = 102,498.03

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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.