Home / 64,707.08-97,061.16-20,332.85

Finding the Fourth Proportional to 64,707.08, 97,061.16 and 20,332.85

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Solution

The fourth proportional to 64,707.08, 97,061.16 and 20,332.85 is: 30,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,707.08 : 97,061.16 = 20,332.85 : x
  2. Step 2: Convert to fraction form
    64,707.08/97,061.16 = 20,332.85/x
  3. Step 3: Cross multiply
    64,707.08x = 97,061.16 × 20,332.85
  4. Step 4: Simplify right side
    64,707.08x = 1,973,530,007.11
  5. Step 5: Solve for x
    x = 1,973,530,007.11/64,707.08
  6. Step 6: Final answer
    x = 30,499.44

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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.