Home / 75,528.10-113,328.60-53,293.60

Finding the Fourth Proportional to 75,528.10, 113,328.60 and 53,293.60

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Solution

The fourth proportional to 75,528.10, 113,328.60 and 53,293.60 is: 79,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,528.10 : 113,328.60 = 53,293.60 : x
  2. Step 2: Convert to fraction form
    75,528.10/113,328.60 = 53,293.60/x
  3. Step 3: Cross multiply
    75,528.10x = 113,328.60 × 53,293.60
  4. Step 4: Simplify right side
    75,528.10x = 6,039,689,076.96
  5. Step 5: Solve for x
    x = 6,039,689,076.96/75,528.10
  6. Step 6: Final answer
    x = 79,966.12

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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.