Home / 55,215.60-82,823.40-37,719.60

Finding the Fourth Proportional to 55,215.60, 82,823.40 and 37,719.60

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Solution

The fourth proportional to 55,215.60, 82,823.40 and 37,719.60 is: 56,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215.60 : 82,823.40 = 37,719.60 : x
  2. Step 2: Convert to fraction form
    55,215.60/82,823.40 = 37,719.60/x
  3. Step 3: Cross multiply
    55,215.60x = 82,823.40 × 37,719.60
  4. Step 4: Simplify right side
    55,215.60x = 3,124,065,518.64
  5. Step 5: Solve for x
    x = 3,124,065,518.64/55,215.60
  6. Step 6: Final answer
    x = 56,579.40

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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.