Home / 66,330.46-91,536.67-38,030.68

Finding the Fourth Proportional to 66,330.46, 91,536.67 and 38,030.68

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Solution

The fourth proportional to 66,330.46, 91,536.67 and 38,030.68 is: 52,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,330.46 : 91,536.67 = 38,030.68 : x
  2. Step 2: Convert to fraction form
    66,330.46/91,536.67 = 38,030.68/x
  3. Step 3: Cross multiply
    66,330.46x = 91,536.67 × 38,030.68
  4. Step 4: Simplify right side
    66,330.46x = 3,481,201,753.07
  5. Step 5: Solve for x
    x = 3,481,201,753.07/66,330.46
  6. Step 6: Final answer
    x = 52,482.70

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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.