Home / 125,051.64-172,571.88-71,336.10

Finding the Fourth Proportional to 125,051.64, 172,571.88 and 71,336.10

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Solution

The fourth proportional to 125,051.64, 172,571.88 and 71,336.10 is: 98,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,051.64 : 172,571.88 = 71,336.10 : x
  2. Step 2: Convert to fraction form
    125,051.64/172,571.88 = 71,336.10/x
  3. Step 3: Cross multiply
    125,051.64x = 172,571.88 × 71,336.10
  4. Step 4: Simplify right side
    125,051.64x = 12,310,604,888.87
  5. Step 5: Solve for x
    x = 12,310,604,888.87/125,051.64
  6. Step 6: Final answer
    x = 98,444.17

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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.