Home / 70,475.60-97,256.25-38,645.03

Finding the Fourth Proportional to 70,475.60, 97,256.25 and 38,645.03

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Solution

The fourth proportional to 70,475.60, 97,256.25 and 38,645.03 is: 53,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,475.60 : 97,256.25 = 38,645.03 : x
  2. Step 2: Convert to fraction form
    70,475.60/97,256.25 = 38,645.03/x
  3. Step 3: Cross multiply
    70,475.60x = 97,256.25 × 38,645.03
  4. Step 4: Simplify right side
    70,475.60x = 3,758,470,698.94
  5. Step 5: Solve for x
    x = 3,758,470,698.94/70,475.60
  6. Step 6: Final answer
    x = 53,330.10

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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.