Home / 84,878.08-117,094.08-56,556.16

Finding the Fourth Proportional to 84,878.08, 117,094.08 and 56,556.16

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Solution

The fourth proportional to 84,878.08, 117,094.08 and 56,556.16 is: 78,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,878.08 : 117,094.08 = 56,556.16 : x
  2. Step 2: Convert to fraction form
    84,878.08/117,094.08 = 56,556.16/x
  3. Step 3: Cross multiply
    84,878.08x = 117,094.08 × 56,556.16
  4. Step 4: Simplify right side
    84,878.08x = 6,622,391,523.53
  5. Step 5: Solve for x
    x = 6,622,391,523.53/84,878.08
  6. Step 6: Final answer
    x = 78,022.40

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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.