Home / 104,576.32-144,316-56,830.08

Finding the Fourth Proportional to 104,576.32, 144,316 and 56,830.08

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Solution

The fourth proportional to 104,576.32, 144,316 and 56,830.08 is: 78,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,576.32 : 144,316 = 56,830.08 : x
  2. Step 2: Convert to fraction form
    104,576.32/144,316 = 56,830.08/x
  3. Step 3: Cross multiply
    104,576.32x = 144,316 × 56,830.08
  4. Step 4: Simplify right side
    104,576.32x = 8,201,489,825.28
  5. Step 5: Solve for x
    x = 8,201,489,825.28/104,576.32
  6. Step 6: Final answer
    x = 78,425.88

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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.