Home / 66,085.17-91,197.62-35,870.50

Finding the Fourth Proportional to 66,085.17, 91,197.62 and 35,870.50

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Solution

The fourth proportional to 66,085.17, 91,197.62 and 35,870.50 is: 49,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,085.17 : 91,197.62 = 35,870.50 : x
  2. Step 2: Convert to fraction form
    66,085.17/91,197.62 = 35,870.50/x
  3. Step 3: Cross multiply
    66,085.17x = 91,197.62 × 35,870.50
  4. Step 4: Simplify right side
    66,085.17x = 3,271,304,228.21
  5. Step 5: Solve for x
    x = 3,271,304,228.21/66,085.17
  6. Step 6: Final answer
    x = 49,501.34

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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.