Home / 104,720.50-144,513.48-56,973.70

Finding the Fourth Proportional to 104,720.50, 144,513.48 and 56,973.70

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Solution

The fourth proportional to 104,720.50, 144,513.48 and 56,973.70 is: 78,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,720.50 : 144,513.48 = 56,973.70 : x
  2. Step 2: Convert to fraction form
    104,720.50/144,513.48 = 56,973.70/x
  3. Step 3: Cross multiply
    104,720.50x = 144,513.48 × 56,973.70
  4. Step 4: Simplify right side
    104,720.50x = 8,233,467,655.48
  5. Step 5: Solve for x
    x = 8,233,467,655.48/104,720.50
  6. Step 6: Final answer
    x = 78,623.27

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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.