Home / 104,907.40-157,426.72-42,577.90

Finding the Fourth Proportional to 104,907.40, 157,426.72 and 42,577.90

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Solution

The fourth proportional to 104,907.40, 157,426.72 and 42,577.90 is: 63,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,907.40 : 157,426.72 = 42,577.90 : x
  2. Step 2: Convert to fraction form
    104,907.40/157,426.72 = 42,577.90/x
  3. Step 3: Cross multiply
    104,907.40x = 157,426.72 × 42,577.90
  4. Step 4: Simplify right side
    104,907.40x = 6,702,899,141.49
  5. Step 5: Solve for x
    x = 6,702,899,141.49/104,907.40
  6. Step 6: Final answer
    x = 63,893.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.