Home / 102,106.07-140,885.69-59,656.40

Finding the Fourth Proportional to 102,106.07, 140,885.69 and 59,656.40

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Solution

The fourth proportional to 102,106.07, 140,885.69 and 59,656.40 is: 82,313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,106.07 : 140,885.69 = 59,656.40 : x
  2. Step 2: Convert to fraction form
    102,106.07/140,885.69 = 59,656.40/x
  3. Step 3: Cross multiply
    102,106.07x = 140,885.69 × 59,656.40
  4. Step 4: Simplify right side
    102,106.07x = 8,404,733,076.92
  5. Step 5: Solve for x
    x = 8,404,733,076.92/102,106.07
  6. Step 6: Final answer
    x = 82,313.75

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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.