Home / 107,961.63-148,981.84-58,900.32

Finding the Fourth Proportional to 107,961.63, 148,981.84 and 58,900.32

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Solution

The fourth proportional to 107,961.63, 148,981.84 and 58,900.32 is: 81,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,961.63 : 148,981.84 = 58,900.32 : x
  2. Step 2: Convert to fraction form
    107,961.63/148,981.84 = 58,900.32/x
  3. Step 3: Cross multiply
    107,961.63x = 148,981.84 × 58,900.32
  4. Step 4: Simplify right side
    107,961.63x = 8,775,078,050.19
  5. Step 5: Solve for x
    x = 8,775,078,050.19/107,961.63
  6. Step 6: Final answer
    x = 81,279.60

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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.