Home / 75,023.60-103,570.16-57,989.34

Finding the Fourth Proportional to 75,023.60, 103,570.16 and 57,989.34

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Solution

The fourth proportional to 75,023.60, 103,570.16 and 57,989.34 is: 80,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,023.60 : 103,570.16 = 57,989.34 : x
  2. Step 2: Convert to fraction form
    75,023.60/103,570.16 = 57,989.34/x
  3. Step 3: Cross multiply
    75,023.60x = 103,570.16 × 57,989.34
  4. Step 4: Simplify right side
    75,023.60x = 6,005,964,932.15
  5. Step 5: Solve for x
    x = 6,005,964,932.15/75,023.60
  6. Step 6: Final answer
    x = 80,054.35

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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.