Home / 98,576.46-136,038.33-54,970.02

Finding the Fourth Proportional to 98,576.46, 136,038.33 and 54,970.02

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Solution

The fourth proportional to 98,576.46, 136,038.33 and 54,970.02 is: 75,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,576.46 : 136,038.33 = 54,970.02 : x
  2. Step 2: Convert to fraction form
    98,576.46/136,038.33 = 54,970.02/x
  3. Step 3: Cross multiply
    98,576.46x = 136,038.33 × 54,970.02
  4. Step 4: Simplify right side
    98,576.46x = 7,478,029,720.87
  5. Step 5: Solve for x
    x = 7,478,029,720.87/98,576.46
  6. Step 6: Final answer
    x = 75,860.20

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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.