Home / 75,085.63-112,628.35-34,555.06

Finding the Fourth Proportional to 75,085.63, 112,628.35 and 34,555.06

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Solution

The fourth proportional to 75,085.63, 112,628.35 and 34,555.06 is: 51,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,085.63 : 112,628.35 = 34,555.06 : x
  2. Step 2: Convert to fraction form
    75,085.63/112,628.35 = 34,555.06/x
  3. Step 3: Cross multiply
    75,085.63x = 112,628.35 × 34,555.06
  4. Step 4: Simplify right side
    75,085.63x = 3,891,879,391.95
  5. Step 5: Solve for x
    x = 3,891,879,391.95/75,085.63
  6. Step 6: Final answer
    x = 51,832.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.