Home / 64,386.30-96,594.36-20,010.63

Finding the Fourth Proportional to 64,386.30, 96,594.36 and 20,010.63

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Solution

The fourth proportional to 64,386.30, 96,594.36 and 20,010.63 is: 30,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,386.30 : 96,594.36 = 20,010.63 : x
  2. Step 2: Convert to fraction form
    64,386.30/96,594.36 = 20,010.63/x
  3. Step 3: Cross multiply
    64,386.30x = 96,594.36 × 20,010.63
  4. Step 4: Simplify right side
    64,386.30x = 1,932,913,998.05
  5. Step 5: Solve for x
    x = 1,932,913,998.05/64,386.30
  6. Step 6: Final answer
    x = 30,020.58

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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.