Home / 71,215.24-98,212.00-61,140.46

Finding the Fourth Proportional to 71,215.24, 98,212.00 and 61,140.46

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Solution

The fourth proportional to 71,215.24, 98,212.00 and 61,140.46 is: 84,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,215.24 : 98,212.00 = 61,140.46 : x
  2. Step 2: Convert to fraction form
    71,215.24/98,212.00 = 61,140.46/x
  3. Step 3: Cross multiply
    71,215.24x = 98,212.00 × 61,140.46
  4. Step 4: Simplify right side
    71,215.24x = 6,004,726,060.76
  5. Step 5: Solve for x
    x = 6,004,726,060.76/71,215.24
  6. Step 6: Final answer
    x = 84,318.00

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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.