Home / 75,643.40-113,465.10-52,023.80

Finding the Fourth Proportional to 75,643.40, 113,465.10 and 52,023.80

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Solution

The fourth proportional to 75,643.40, 113,465.10 and 52,023.80 is: 78,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,643.40 : 113,465.10 = 52,023.80 : x
  2. Step 2: Convert to fraction form
    75,643.40/113,465.10 = 52,023.80/x
  3. Step 3: Cross multiply
    75,643.40x = 113,465.10 × 52,023.80
  4. Step 4: Simplify right side
    75,643.40x = 5,902,885,669.38
  5. Step 5: Solve for x
    x = 5,902,885,669.38/75,643.40
  6. Step 6: Final answer
    x = 78,035.70

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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.