Home / 64,648.36-89,113.08-59,224.60

Finding the Fourth Proportional to 64,648.36, 89,113.08 and 59,224.60

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Solution

The fourth proportional to 64,648.36, 89,113.08 and 59,224.60 is: 81,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,648.36 : 89,113.08 = 59,224.60 : x
  2. Step 2: Convert to fraction form
    64,648.36/89,113.08 = 59,224.60/x
  3. Step 3: Cross multiply
    64,648.36x = 89,113.08 × 59,224.60
  4. Step 4: Simplify right side
    64,648.36x = 5,277,686,517.77
  5. Step 5: Solve for x
    x = 5,277,686,517.77/64,648.36
  6. Step 6: Final answer
    x = 81,636.82

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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.