Home / 97,827.96-134,989.38-57,518.40

Finding the Fourth Proportional to 97,827.96, 134,989.38 and 57,518.40

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Solution

The fourth proportional to 97,827.96, 134,989.38 and 57,518.40 is: 79,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,827.96 : 134,989.38 = 57,518.40 : x
  2. Step 2: Convert to fraction form
    97,827.96/134,989.38 = 57,518.40/x
  3. Step 3: Cross multiply
    97,827.96x = 134,989.38 × 57,518.40
  4. Step 4: Simplify right side
    97,827.96x = 7,764,373,154.59
  5. Step 5: Solve for x
    x = 7,764,373,154.59/97,827.96
  6. Step 6: Final answer
    x = 79,367.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.