Home / 66,718.48-92,094.64-38,435.44

Finding the Fourth Proportional to 66,718.48, 92,094.64 and 38,435.44

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Solution

The fourth proportional to 66,718.48, 92,094.64 and 38,435.44 is: 53,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,718.48 : 92,094.64 = 38,435.44 : x
  2. Step 2: Convert to fraction form
    66,718.48/92,094.64 = 38,435.44/x
  3. Step 3: Cross multiply
    66,718.48x = 92,094.64 × 38,435.44
  4. Step 4: Simplify right side
    66,718.48x = 3,539,698,010.04
  5. Step 5: Solve for x
    x = 3,539,698,010.04/66,718.48
  6. Step 6: Final answer
    x = 53,054.24

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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.