Home / 104,051.12-143,590.32-56,304.45

Finding the Fourth Proportional to 104,051.12, 143,590.32 and 56,304.45

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Solution

The fourth proportional to 104,051.12, 143,590.32 and 56,304.45 is: 77,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,051.12 : 143,590.32 = 56,304.45 : x
  2. Step 2: Convert to fraction form
    104,051.12/143,590.32 = 56,304.45/x
  3. Step 3: Cross multiply
    104,051.12x = 143,590.32 × 56,304.45
  4. Step 4: Simplify right side
    104,051.12x = 8,084,773,992.92
  5. Step 5: Solve for x
    x = 8,084,773,992.92/104,051.12
  6. Step 6: Final answer
    x = 77,700.02

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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.