Home / 70,615.74-97,450.36-38,785.34

Finding the Fourth Proportional to 70,615.74, 97,450.36 and 38,785.34

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Solution

The fourth proportional to 70,615.74, 97,450.36 and 38,785.34 is: 53,524.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,615.74 : 97,450.36 = 38,785.34 : x
  2. Step 2: Convert to fraction form
    70,615.74/97,450.36 = 38,785.34/x
  3. Step 3: Cross multiply
    70,615.74x = 97,450.36 × 38,785.34
  4. Step 4: Simplify right side
    70,615.74x = 3,779,645,345.72
  5. Step 5: Solve for x
    x = 3,779,645,345.72/70,615.74
  6. Step 6: Final answer
    x = 53,524.12

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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.