Home / 89,122.51-122,943.06-60,432.46

Finding the Fourth Proportional to 89,122.51, 122,943.06 and 60,432.46

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Solution

The fourth proportional to 89,122.51, 122,943.06 and 60,432.46 is: 83,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,122.51 : 122,943.06 = 60,432.46 : x
  2. Step 2: Convert to fraction form
    89,122.51/122,943.06 = 60,432.46/x
  3. Step 3: Cross multiply
    89,122.51x = 122,943.06 × 60,432.46
  4. Step 4: Simplify right side
    89,122.51x = 7,429,751,555.73
  5. Step 5: Solve for x
    x = 7,429,751,555.73/89,122.51
  6. Step 6: Final answer
    x = 83,365.60

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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.