Home / 98,895.36-136,474.72-53,572.32

Finding the Fourth Proportional to 98,895.36, 136,474.72 and 53,572.32

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Solution

The fourth proportional to 98,895.36, 136,474.72 and 53,572.32 is: 73,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,895.36 : 136,474.72 = 53,572.32 : x
  2. Step 2: Convert to fraction form
    98,895.36/136,474.72 = 53,572.32/x
  3. Step 3: Cross multiply
    98,895.36x = 136,474.72 × 53,572.32
  4. Step 4: Simplify right side
    98,895.36x = 7,311,267,371.75
  5. Step 5: Solve for x
    x = 7,311,267,371.75/98,895.36
  6. Step 6: Final answer
    x = 73,929.33

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1.5x scale

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.