Home / 66,457.22-91,658.94-42,586.16

Finding the Fourth Proportional to 66,457.22, 91,658.94 and 42,586.16

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Solution

The fourth proportional to 66,457.22, 91,658.94 and 42,586.16 is: 58,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,457.22 : 91,658.94 = 42,586.16 : x
  2. Step 2: Convert to fraction form
    66,457.22/91,658.94 = 42,586.16/x
  3. Step 3: Cross multiply
    66,457.22x = 91,658.94 × 42,586.16
  4. Step 4: Simplify right side
    66,457.22x = 3,903,402,284.27
  5. Step 5: Solve for x
    x = 3,903,402,284.27/66,457.22
  6. Step 6: Final answer
    x = 58,735.56

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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.