Home / 64,000.21-88,319.68-35,320.14

Finding the Fourth Proportional to 64,000.21, 88,319.68 and 35,320.14

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Solution

The fourth proportional to 64,000.21, 88,319.68 and 35,320.14 is: 48,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,000.21 : 88,319.68 = 35,320.14 : x
  2. Step 2: Convert to fraction form
    64,000.21/88,319.68 = 35,320.14/x
  3. Step 3: Cross multiply
    64,000.21x = 88,319.68 × 35,320.14
  4. Step 4: Simplify right side
    64,000.21x = 3,119,463,462.36
  5. Step 5: Solve for x
    x = 3,119,463,462.36/64,000.21
  6. Step 6: Final answer
    x = 48,741.46

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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.