Home / 107,457.34-148,256.64-62,129.38

Finding the Fourth Proportional to 107,457.34, 148,256.64 and 62,129.38

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Solution

The fourth proportional to 107,457.34, 148,256.64 and 62,129.38 is: 85,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,457.34 : 148,256.64 = 62,129.38 : x
  2. Step 2: Convert to fraction form
    107,457.34/148,256.64 = 62,129.38/x
  3. Step 3: Cross multiply
    107,457.34x = 148,256.64 × 62,129.38
  4. Step 4: Simplify right side
    107,457.34x = 9,211,093,124.08
  5. Step 5: Solve for x
    x = 9,211,093,124.08/107,457.34
  6. Step 6: Final answer
    x = 85,718.60

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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.