Home / 64,031.04-96,025.80-21,325.08

Finding the Fourth Proportional to 64,031.04, 96,025.80 and 21,325.08

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Solution

The fourth proportional to 64,031.04, 96,025.80 and 21,325.08 is: 31,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,031.04 : 96,025.80 = 21,325.08 : x
  2. Step 2: Convert to fraction form
    64,031.04/96,025.80 = 21,325.08/x
  3. Step 3: Cross multiply
    64,031.04x = 96,025.80 × 21,325.08
  4. Step 4: Simplify right side
    64,031.04x = 2,047,757,867.06
  5. Step 5: Solve for x
    x = 2,047,757,867.06/64,031.04
  6. Step 6: Final answer
    x = 31,980.71

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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.