Home / 98,895.32-136,474.74-53,572.28

Finding the Fourth Proportional to 98,895.32, 136,474.74 and 53,572.28

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Solution

The fourth proportional to 98,895.32, 136,474.74 and 53,572.28 is: 73,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,895.32 : 136,474.74 = 53,572.28 : x
  2. Step 2: Convert to fraction form
    98,895.32/136,474.74 = 53,572.28/x
  3. Step 3: Cross multiply
    98,895.32x = 136,474.74 × 53,572.28
  4. Step 4: Simplify right side
    98,895.32x = 7,311,262,984.21
  5. Step 5: Solve for x
    x = 7,311,262,984.21/98,895.32
  6. Step 6: Final answer
    x = 73,929.31

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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.