Home / 70,386.62-97,133.56-38,556.04

Finding the Fourth Proportional to 70,386.62, 97,133.56 and 38,556.04

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Solution

The fourth proportional to 70,386.62, 97,133.56 and 38,556.04 is: 53,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,386.62 : 97,133.56 = 38,556.04 : x
  2. Step 2: Convert to fraction form
    70,386.62/97,133.56 = 38,556.04/x
  3. Step 3: Cross multiply
    70,386.62x = 97,133.56 × 38,556.04
  4. Step 4: Simplify right side
    70,386.62x = 3,745,085,424.70
  5. Step 5: Solve for x
    x = 3,745,085,424.70/70,386.62
  6. Step 6: Final answer
    x = 53,207.35

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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.