Home / 70,071.75-96,701.07-38,242.69

Finding the Fourth Proportional to 70,071.75, 96,701.07 and 38,242.69

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Solution

The fourth proportional to 70,071.75, 96,701.07 and 38,242.69 is: 52,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,071.75 : 96,701.07 = 38,242.69 : x
  2. Step 2: Convert to fraction form
    70,071.75/96,701.07 = 38,242.69/x
  3. Step 3: Cross multiply
    70,071.75x = 96,701.07 × 38,242.69
  4. Step 4: Simplify right side
    70,071.75x = 3,698,108,851.46
  5. Step 5: Solve for x
    x = 3,698,108,851.46/70,071.75
  6. Step 6: Final answer
    x = 52,776.03

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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.