Home / 74,968.07-103,533.41-64,847.93

Finding the Fourth Proportional to 74,968.07, 103,533.41 and 64,847.93

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Solution

The fourth proportional to 74,968.07, 103,533.41 and 64,847.93 is: 89,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,968.07 : 103,533.41 = 64,847.93 : x
  2. Step 2: Convert to fraction form
    74,968.07/103,533.41 = 64,847.93/x
  3. Step 3: Cross multiply
    74,968.07x = 103,533.41 × 64,847.93
  4. Step 4: Simplify right side
    74,968.07x = 6,713,927,000.10
  5. Step 5: Solve for x
    x = 6,713,927,000.10/74,968.07
  6. Step 6: Final answer
    x = 89,557.15

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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.