Home / 121,645.24-182,485.32-37,412.50

Finding the Fourth Proportional to 121,645.24, 182,485.32 and 37,412.50

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Solution

The fourth proportional to 121,645.24, 182,485.32 and 37,412.50 is: 56,124.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,645.24 : 182,485.32 = 37,412.50 : x
  2. Step 2: Convert to fraction form
    121,645.24/182,485.32 = 37,412.50/x
  3. Step 3: Cross multiply
    121,645.24x = 182,485.32 × 37,412.50
  4. Step 4: Simplify right side
    121,645.24x = 6,827,232,034.50
  5. Step 5: Solve for x
    x = 6,827,232,034.50/121,645.24
  6. Step 6: Final answer
    x = 56,124.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.