Home / 84,830.67-117,071.60-47,105.19

Finding the Fourth Proportional to 84,830.67, 117,071.60 and 47,105.19

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Solution

The fourth proportional to 84,830.67, 117,071.60 and 47,105.19 is: 65,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,830.67 : 117,071.60 = 47,105.19 : x
  2. Step 2: Convert to fraction form
    84,830.67/117,071.60 = 47,105.19/x
  3. Step 3: Cross multiply
    84,830.67x = 117,071.60 × 47,105.19
  4. Step 4: Simplify right side
    84,830.67x = 5,514,679,726.08
  5. Step 5: Solve for x
    x = 5,514,679,726.08/84,830.67
  6. Step 6: Final answer
    x = 65,008.09

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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.