Home / 52,055.04-78,076.08-16,991.76

Finding the Fourth Proportional to 52,055.04, 78,076.08 and 16,991.76

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Solution

The fourth proportional to 52,055.04, 78,076.08 and 16,991.76 is: 25,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,055.04 : 78,076.08 = 16,991.76 : x
  2. Step 2: Convert to fraction form
    52,055.04/78,076.08 = 16,991.76/x
  3. Step 3: Cross multiply
    52,055.04x = 78,076.08 × 16,991.76
  4. Step 4: Simplify right side
    52,055.04x = 1,326,650,013.10
  5. Step 5: Solve for x
    x = 1,326,650,013.10/52,055.04
  6. Step 6: Final answer
    x = 25,485.52

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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.