Home / 53,742.54-79,937.21-53,562.72

Finding the Fourth Proportional to 53,742.54, 79,937.21 and 53,562.72

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Solution

The fourth proportional to 53,742.54, 79,937.21 and 53,562.72 is: 79,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742.54 : 79,937.21 = 53,562.72 : x
  2. Step 2: Convert to fraction form
    53,742.54/79,937.21 = 53,562.72/x
  3. Step 3: Cross multiply
    53,742.54x = 79,937.21 × 53,562.72
  4. Step 4: Simplify right side
    53,742.54x = 4,281,654,129.00
  5. Step 5: Solve for x
    x = 4,281,654,129.00/53,742.54
  6. Step 6: Final answer
    x = 79,669.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.