Home / 107,459.08-148,312.43-62,129.86

Finding the Fourth Proportional to 107,459.08, 148,312.43 and 62,129.86

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Solution

The fourth proportional to 107,459.08, 148,312.43 and 62,129.86 is: 85,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,459.08 : 148,312.43 = 62,129.86 : x
  2. Step 2: Convert to fraction form
    107,459.08/148,312.43 = 62,129.86/x
  3. Step 3: Cross multiply
    107,459.08x = 148,312.43 × 62,129.86
  4. Step 4: Simplify right side
    107,459.08x = 9,214,630,512.16
  5. Step 5: Solve for x
    x = 9,214,630,512.16/107,459.08
  6. Step 6: Final answer
    x = 85,750.13

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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.