Home / 103,776.08-155,666.04-33,655.12

Finding the Fourth Proportional to 103,776.08, 155,666.04 and 33,655.12

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Solution

The fourth proportional to 103,776.08, 155,666.04 and 33,655.12 is: 50,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,776.08 : 155,666.04 = 33,655.12 : x
  2. Step 2: Convert to fraction form
    103,776.08/155,666.04 = 33,655.12/x
  3. Step 3: Cross multiply
    103,776.08x = 155,666.04 × 33,655.12
  4. Step 4: Simplify right side
    103,776.08x = 5,238,959,256.12
  5. Step 5: Solve for x
    x = 5,238,959,256.12/103,776.08
  6. Step 6: Final answer
    x = 50,483.30

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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.