Home / 86,590.98-119,454.53-56,365.25

Finding the Fourth Proportional to 86,590.98, 119,454.53 and 56,365.25

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Solution

The fourth proportional to 86,590.98, 119,454.53 and 56,365.25 is: 77,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,590.98 : 119,454.53 = 56,365.25 : x
  2. Step 2: Convert to fraction form
    86,590.98/119,454.53 = 56,365.25/x
  3. Step 3: Cross multiply
    86,590.98x = 119,454.53 × 56,365.25
  4. Step 4: Simplify right side
    86,590.98x = 6,733,083,567.98
  5. Step 5: Solve for x
    x = 6,733,083,567.98/86,590.98
  6. Step 6: Final answer
    x = 77,757.33

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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.