Home / 70,533.60-97,336.49-38,702.75

Finding the Fourth Proportional to 70,533.60, 97,336.49 and 38,702.75

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Solution

The fourth proportional to 70,533.60, 97,336.49 and 38,702.75 is: 53,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,533.60 : 97,336.49 = 38,702.75 : x
  2. Step 2: Convert to fraction form
    70,533.60/97,336.49 = 38,702.75/x
  3. Step 3: Cross multiply
    70,533.60x = 97,336.49 × 38,702.75
  4. Step 4: Simplify right side
    70,533.60x = 3,767,189,158.15
  5. Step 5: Solve for x
    x = 3,767,189,158.15/70,533.60
  6. Step 6: Final answer
    x = 53,409.85

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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.