Home / 97,653.09-134,771.31-59,415.35

Finding the Fourth Proportional to 97,653.09, 134,771.31 and 59,415.35

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Solution

The fourth proportional to 97,653.09, 134,771.31 and 59,415.35 is: 81,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,653.09 : 134,771.31 = 59,415.35 : x
  2. Step 2: Convert to fraction form
    97,653.09/134,771.31 = 59,415.35/x
  3. Step 3: Cross multiply
    97,653.09x = 134,771.31 × 59,415.35
  4. Step 4: Simplify right side
    97,653.09x = 8,007,483,879.75
  5. Step 5: Solve for x
    x = 8,007,483,879.75/97,653.09
  6. Step 6: Final answer
    x = 81,999.29

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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.