Home / 107,678.72-148,594.16-59,929.12

Finding the Fourth Proportional to 107,678.72, 148,594.16 and 59,929.12

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Solution

The fourth proportional to 107,678.72, 148,594.16 and 59,929.12 is: 82,700.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,678.72 : 148,594.16 = 59,929.12 : x
  2. Step 2: Convert to fraction form
    107,678.72/148,594.16 = 59,929.12/x
  3. Step 3: Cross multiply
    107,678.72x = 148,594.16 × 59,929.12
  4. Step 4: Simplify right side
    107,678.72x = 8,905,117,245.94
  5. Step 5: Solve for x
    x = 8,905,117,245.94/107,678.72
  6. Step 6: Final answer
    x = 82,700.81

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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.