Home / 74,095.95-102,272.18-45,785.64

Finding the Fourth Proportional to 74,095.95, 102,272.18 and 45,785.64

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Solution

The fourth proportional to 74,095.95, 102,272.18 and 45,785.64 is: 63,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,095.95 : 102,272.18 = 45,785.64 : x
  2. Step 2: Convert to fraction form
    74,095.95/102,272.18 = 45,785.64/x
  3. Step 3: Cross multiply
    74,095.95x = 102,272.18 × 45,785.64
  4. Step 4: Simplify right side
    74,095.95x = 4,682,596,986.57
  5. Step 5: Solve for x
    x = 4,682,596,986.57/74,095.95
  6. Step 6: Final answer
    x = 63,196.40

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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.