Home / 74,098.95-102,276.32-45,788.64

Finding the Fourth Proportional to 74,098.95, 102,276.32 and 45,788.64

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Solution

The fourth proportional to 74,098.95, 102,276.32 and 45,788.64 is: 63,200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,098.95 : 102,276.32 = 45,788.64 : x
  2. Step 2: Convert to fraction form
    74,098.95/102,276.32 = 45,788.64/x
  3. Step 3: Cross multiply
    74,098.95x = 102,276.32 × 45,788.64
  4. Step 4: Simplify right side
    74,098.95x = 4,683,093,368.06
  5. Step 5: Solve for x
    x = 4,683,093,368.06/74,098.95
  6. Step 6: Final answer
    x = 63,200.54

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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.