Home / 104,647.15-144,411.51-56,900.08

Finding the Fourth Proportional to 104,647.15, 144,411.51 and 56,900.08

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Solution

The fourth proportional to 104,647.15, 144,411.51 and 56,900.08 is: 78,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,647.15 : 144,411.51 = 56,900.08 : x
  2. Step 2: Convert to fraction form
    104,647.15/144,411.51 = 56,900.08/x
  3. Step 3: Cross multiply
    104,647.15x = 144,411.51 × 56,900.08
  4. Step 4: Simplify right side
    104,647.15x = 8,217,026,471.92
  5. Step 5: Solve for x
    x = 8,217,026,471.92/104,647.15
  6. Step 6: Final answer
    x = 78,521.26

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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.