Home / 66,114.18-91,237.05-35,898.93

Finding the Fourth Proportional to 66,114.18, 91,237.05 and 35,898.93

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Solution

The fourth proportional to 66,114.18, 91,237.05 and 35,898.93 is: 49,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,114.18 : 91,237.05 = 35,898.93 : x
  2. Step 2: Convert to fraction form
    66,114.18/91,237.05 = 35,898.93/x
  3. Step 3: Cross multiply
    66,114.18x = 91,237.05 × 35,898.93
  4. Step 4: Simplify right side
    66,114.18x = 3,275,312,471.36
  5. Step 5: Solve for x
    x = 3,275,312,471.36/66,114.18
  6. Step 6: Final answer
    x = 49,540.24

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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.