Home / 104,421.51-144,100.20-56,673.63

Finding the Fourth Proportional to 104,421.51, 144,100.20 and 56,673.63

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Solution

The fourth proportional to 104,421.51, 144,100.20 and 56,673.63 is: 78,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.51 : 144,100.20 = 56,673.63 : x
  2. Step 2: Convert to fraction form
    104,421.51/144,100.20 = 56,673.63/x
  3. Step 3: Cross multiply
    104,421.51x = 144,100.20 × 56,673.63
  4. Step 4: Simplify right side
    104,421.51x = 8,166,681,417.73
  5. Step 5: Solve for x
    x = 8,166,681,417.73/104,421.51
  6. Step 6: Final answer
    x = 78,208.80

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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.