Home / 45,577.17-68,357.10-19,300.36

Finding the Fourth Proportional to 45,577.17, 68,357.10 and 19,300.36

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Solution

The fourth proportional to 45,577.17, 68,357.10 and 19,300.36 is: 28,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,577.17 : 68,357.10 = 19,300.36 : x
  2. Step 2: Convert to fraction form
    45,577.17/68,357.10 = 19,300.36/x
  3. Step 3: Cross multiply
    45,577.17x = 68,357.10 × 19,300.36
  4. Step 4: Simplify right side
    45,577.17x = 1,319,316,638.56
  5. Step 5: Solve for x
    x = 1,319,316,638.56/45,577.17
  6. Step 6: Final answer
    x = 28,946.87

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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.