Home / 70,435.09-97,200.23-38,170.60

Finding the Fourth Proportional to 70,435.09, 97,200.23 and 38,170.60

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Solution

The fourth proportional to 70,435.09, 97,200.23 and 38,170.60 is: 52,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,435.09 : 97,200.23 = 38,170.60 : x
  2. Step 2: Convert to fraction form
    70,435.09/97,200.23 = 38,170.60/x
  3. Step 3: Cross multiply
    70,435.09x = 97,200.23 × 38,170.60
  4. Step 4: Simplify right side
    70,435.09x = 3,710,191,099.24
  5. Step 5: Solve for x
    x = 3,710,191,099.24/70,435.09
  6. Step 6: Final answer
    x = 52,675.32

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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.