Home / 85,325.46-117,740.96-47,602.14

Finding the Fourth Proportional to 85,325.46, 117,740.96 and 47,602.14

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Solution

The fourth proportional to 85,325.46, 117,740.96 and 47,602.14 is: 65,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,325.46 : 117,740.96 = 47,602.14 : x
  2. Step 2: Convert to fraction form
    85,325.46/117,740.96 = 47,602.14/x
  3. Step 3: Cross multiply
    85,325.46x = 117,740.96 × 47,602.14
  4. Step 4: Simplify right side
    85,325.46x = 5,604,721,661.65
  5. Step 5: Solve for x
    x = 5,604,721,661.65/85,325.46
  6. Step 6: Final answer
    x = 65,686.39

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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.