Home / 56,219.40-84,329.10-53,157.60

Finding the Fourth Proportional to 56,219.40, 84,329.10 and 53,157.60

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Solution

The fourth proportional to 56,219.40, 84,329.10 and 53,157.60 is: 79,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,219.40 : 84,329.10 = 53,157.60 : x
  2. Step 2: Convert to fraction form
    56,219.40/84,329.10 = 53,157.60/x
  3. Step 3: Cross multiply
    56,219.40x = 84,329.10 × 53,157.60
  4. Step 4: Simplify right side
    56,219.40x = 4,482,732,566.16
  5. Step 5: Solve for x
    x = 4,482,732,566.16/56,219.40
  6. Step 6: Final answer
    x = 79,736.40

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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.