Home / 107,254.08-148,009.68-61,941.60

Finding the Fourth Proportional to 107,254.08, 148,009.68 and 61,941.60

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Solution

The fourth proportional to 107,254.08, 148,009.68 and 61,941.60 is: 85,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,254.08 : 148,009.68 = 61,941.60 : x
  2. Step 2: Convert to fraction form
    107,254.08/148,009.68 = 61,941.60/x
  3. Step 3: Cross multiply
    107,254.08x = 148,009.68 × 61,941.60
  4. Step 4: Simplify right side
    107,254.08x = 9,167,956,394.69
  5. Step 5: Solve for x
    x = 9,167,956,394.69/107,254.08
  6. Step 6: Final answer
    x = 85,478.86

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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.