Home / 98,879.16-136,453.38-53,557.23

Finding the Fourth Proportional to 98,879.16, 136,453.38 and 53,557.23

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Solution

The fourth proportional to 98,879.16, 136,453.38 and 53,557.23 is: 73,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,879.16 : 136,453.38 = 53,557.23 : x
  2. Step 2: Convert to fraction form
    98,879.16/136,453.38 = 53,557.23/x
  3. Step 3: Cross multiply
    98,879.16x = 136,453.38 × 53,557.23
  4. Step 4: Simplify right side
    98,879.16x = 7,308,065,056.94
  5. Step 5: Solve for x
    x = 7,308,065,056.94/98,879.16
  6. Step 6: Final answer
    x = 73,909.05

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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.