Home / 75,106.09-103,639.31-44,885.40

Finding the Fourth Proportional to 75,106.09, 103,639.31 and 44,885.40

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Solution

The fourth proportional to 75,106.09, 103,639.31 and 44,885.40 is: 61,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,106.09 : 103,639.31 = 44,885.40 : x
  2. Step 2: Convert to fraction form
    75,106.09/103,639.31 = 44,885.40/x
  3. Step 3: Cross multiply
    75,106.09x = 103,639.31 × 44,885.40
  4. Step 4: Simplify right side
    75,106.09x = 4,651,891,885.07
  5. Step 5: Solve for x
    x = 4,651,891,885.07/75,106.09
  6. Step 6: Final answer
    x = 61,937.61

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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.