Home / 64,722.64-97,088.12-20,351.10

Finding the Fourth Proportional to 64,722.64, 97,088.12 and 20,351.10

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Solution

The fourth proportional to 64,722.64, 97,088.12 and 20,351.10 is: 30,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,722.64 : 97,088.12 = 20,351.10 : x
  2. Step 2: Convert to fraction form
    64,722.64/97,088.12 = 20,351.10/x
  3. Step 3: Cross multiply
    64,722.64x = 97,088.12 × 20,351.10
  4. Step 4: Simplify right side
    64,722.64x = 1,975,850,038.93
  5. Step 5: Solve for x
    x = 1,975,850,038.93/64,722.64
  6. Step 6: Final answer
    x = 30,527.96

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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.