Home / 66,060.36-91,112.34-45,916.84

Finding the Fourth Proportional to 66,060.36, 91,112.34 and 45,916.84

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Solution

The fourth proportional to 66,060.36, 91,112.34 and 45,916.84 is: 63,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,060.36 : 91,112.34 = 45,916.84 : x
  2. Step 2: Convert to fraction form
    66,060.36/91,112.34 = 45,916.84/x
  3. Step 3: Cross multiply
    66,060.36x = 91,112.34 × 45,916.84
  4. Step 4: Simplify right side
    66,060.36x = 4,183,590,737.81
  5. Step 5: Solve for x
    x = 4,183,590,737.81/66,060.36
  6. Step 6: Final answer
    x = 63,329.82

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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.