Home / 89,113.20-133,698.60-59,564.40

Finding the Fourth Proportional to 89,113.20, 133,698.60 and 59,564.40

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Solution

The fourth proportional to 89,113.20, 133,698.60 and 59,564.40 is: 89,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,113.20 : 133,698.60 = 59,564.40 : x
  2. Step 2: Convert to fraction form
    89,113.20/133,698.60 = 59,564.40/x
  3. Step 3: Cross multiply
    89,113.20x = 133,698.60 × 59,564.40
  4. Step 4: Simplify right side
    89,113.20x = 7,963,676,889.84
  5. Step 5: Solve for x
    x = 7,963,676,889.84/89,113.20
  6. Step 6: Final answer
    x = 89,365.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.