Home / 111,291.70-153,590.08-62,876.83

Finding the Fourth Proportional to 111,291.70, 153,590.08 and 62,876.83

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Solution

The fourth proportional to 111,291.70, 153,590.08 and 62,876.83 is: 86,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,291.70 : 153,590.08 = 62,876.83 : x
  2. Step 2: Convert to fraction form
    111,291.70/153,590.08 = 62,876.83/x
  3. Step 3: Cross multiply
    111,291.70x = 153,590.08 × 62,876.83
  4. Step 4: Simplify right side
    111,291.70x = 9,657,257,349.85
  5. Step 5: Solve for x
    x = 9,657,257,349.85/111,291.70
  6. Step 6: Final answer
    x = 86,774.28

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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.