Home / 59,616.16-89,368.64-20,145.68

Finding the Fourth Proportional to 59,616.16, 89,368.64 and 20,145.68

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Solution

The fourth proportional to 59,616.16, 89,368.64 and 20,145.68 is: 30,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,616.16 : 89,368.64 = 20,145.68 : x
  2. Step 2: Convert to fraction form
    59,616.16/89,368.64 = 20,145.68/x
  3. Step 3: Cross multiply
    59,616.16x = 89,368.64 × 20,145.68
  4. Step 4: Simplify right side
    59,616.16x = 1,800,392,023.48
  5. Step 5: Solve for x
    x = 1,800,392,023.48/59,616.16
  6. Step 6: Final answer
    x = 30,199.73

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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.