Home / 66,085.51-91,196.55-35,870.89

Finding the Fourth Proportional to 66,085.51, 91,196.55 and 35,870.89

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Solution

The fourth proportional to 66,085.51, 91,196.55 and 35,870.89 is: 49,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,085.51 : 91,196.55 = 35,870.89 : x
  2. Step 2: Convert to fraction form
    66,085.51/91,196.55 = 35,870.89/x
  3. Step 3: Cross multiply
    66,085.51x = 91,196.55 × 35,870.89
  4. Step 4: Simplify right side
    66,085.51x = 3,271,300,778.09
  5. Step 5: Solve for x
    x = 3,271,300,778.09/66,085.51
  6. Step 6: Final answer
    x = 49,501.03

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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.