Home / 71,013.24-98,412.56-70,011

Finding the Fourth Proportional to 71,013.24, 98,412.56 and 70,011

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Solution

The fourth proportional to 71,013.24, 98,412.56 and 70,011 is: 97,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,013.24 : 98,412.56 = 70,011 : x
  2. Step 2: Convert to fraction form
    71,013.24/98,412.56 = 70,011/x
  3. Step 3: Cross multiply
    71,013.24x = 98,412.56 × 70,011
  4. Step 4: Simplify right side
    71,013.24x = 6,889,961,738.16
  5. Step 5: Solve for x
    x = 6,889,961,738.16/71,013.24
  6. Step 6: Final answer
    x = 97,023.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.