Home / 104,638.63-144,400.98-56,892.10

Finding the Fourth Proportional to 104,638.63, 144,400.98 and 56,892.10

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Solution

The fourth proportional to 104,638.63, 144,400.98 and 56,892.10 is: 78,510.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,638.63 : 144,400.98 = 56,892.10 : x
  2. Step 2: Convert to fraction form
    104,638.63/144,400.98 = 56,892.10/x
  3. Step 3: Cross multiply
    104,638.63x = 144,400.98 × 56,892.10
  4. Step 4: Simplify right side
    104,638.63x = 8,215,274,994.26
  5. Step 5: Solve for x
    x = 8,215,274,994.26/104,638.63
  6. Step 6: Final answer
    x = 78,510.92

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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.