Home / 109,678.16-164,483.22-39,548.36

Finding the Fourth Proportional to 109,678.16, 164,483.22 and 39,548.36

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Solution

The fourth proportional to 109,678.16, 164,483.22 and 39,548.36 is: 59,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,678.16 : 164,483.22 = 39,548.36 : x
  2. Step 2: Convert to fraction form
    109,678.16/164,483.22 = 39,548.36/x
  3. Step 3: Cross multiply
    109,678.16x = 164,483.22 × 39,548.36
  4. Step 4: Simplify right side
    109,678.16x = 6,505,041,598.52
  5. Step 5: Solve for x
    x = 6,505,041,598.52/109,678.16
  6. Step 6: Final answer
    x = 59,310.27

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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.