Home / 85,008.64-117,336.63-56,714.26

Finding the Fourth Proportional to 85,008.64, 117,336.63 and 56,714.26

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Solution

The fourth proportional to 85,008.64, 117,336.63 and 56,714.26 is: 78,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,008.64 : 117,336.63 = 56,714.26 : x
  2. Step 2: Convert to fraction form
    85,008.64/117,336.63 = 56,714.26/x
  3. Step 3: Cross multiply
    85,008.64x = 117,336.63 × 56,714.26
  4. Step 4: Simplify right side
    85,008.64x = 6,654,660,141.34
  5. Step 5: Solve for x
    x = 6,654,660,141.34/85,008.64
  6. Step 6: Final answer
    x = 78,282.16

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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.