Home / 98,966.79-136,592.44-56,525.31

Finding the Fourth Proportional to 98,966.79, 136,592.44 and 56,525.31

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Solution

The fourth proportional to 98,966.79, 136,592.44 and 56,525.31 is: 78,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,966.79 : 136,592.44 = 56,525.31 : x
  2. Step 2: Convert to fraction form
    98,966.79/136,592.44 = 56,525.31/x
  3. Step 3: Cross multiply
    98,966.79x = 136,592.44 × 56,525.31
  4. Step 4: Simplify right side
    98,966.79x = 7,720,929,873.34
  5. Step 5: Solve for x
    x = 7,720,929,873.34/98,966.79
  6. Step 6: Final answer
    x = 78,015.36

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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.