Home / 104,050.83-143,590.40-56,304.69

Finding the Fourth Proportional to 104,050.83, 143,590.40 and 56,304.69

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Solution

The fourth proportional to 104,050.83, 143,590.40 and 56,304.69 is: 77,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,050.83 : 143,590.40 = 56,304.69 : x
  2. Step 2: Convert to fraction form
    104,050.83/143,590.40 = 56,304.69/x
  3. Step 3: Cross multiply
    104,050.83x = 143,590.40 × 56,304.69
  4. Step 4: Simplify right side
    104,050.83x = 8,084,812,677.45
  5. Step 5: Solve for x
    x = 8,084,812,677.45/104,050.83
  6. Step 6: Final answer
    x = 77,700.61

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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.