Home / 55,829.10-83,743.65-16,390.20

Finding the Fourth Proportional to 55,829.10, 83,743.65 and 16,390.20

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Solution

The fourth proportional to 55,829.10, 83,743.65 and 16,390.20 is: 24,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,829.10 : 83,743.65 = 16,390.20 : x
  2. Step 2: Convert to fraction form
    55,829.10/83,743.65 = 16,390.20/x
  3. Step 3: Cross multiply
    55,829.10x = 83,743.65 × 16,390.20
  4. Step 4: Simplify right side
    55,829.10x = 1,372,575,172.23
  5. Step 5: Solve for x
    x = 1,372,575,172.23/55,829.10
  6. Step 6: Final answer
    x = 24,585.30

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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.