Home / 66,085.17-91,197.75-35,870.52

Finding the Fourth Proportional to 66,085.17, 91,197.75 and 35,870.52

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Solution

The fourth proportional to 66,085.17, 91,197.75 and 35,870.52 is: 49,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,085.17 : 91,197.75 = 35,870.52 : x
  2. Step 2: Convert to fraction form
    66,085.17/91,197.75 = 35,870.52/x
  3. Step 3: Cross multiply
    66,085.17x = 91,197.75 × 35,870.52
  4. Step 4: Simplify right side
    66,085.17x = 3,271,310,079.99
  5. Step 5: Solve for x
    x = 3,271,310,079.99/66,085.17
  6. Step 6: Final answer
    x = 49,501.42

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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.