Home / 84,444.96-116,672.40-66,675.36

Finding the Fourth Proportional to 84,444.96, 116,672.40 and 66,675.36

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Solution

The fourth proportional to 84,444.96, 116,672.40 and 66,675.36 is: 92,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,444.96 : 116,672.40 = 66,675.36 : x
  2. Step 2: Convert to fraction form
    84,444.96/116,672.40 = 66,675.36/x
  3. Step 3: Cross multiply
    84,444.96x = 116,672.40 × 66,675.36
  4. Step 4: Simplify right side
    84,444.96x = 7,779,174,272.06
  5. Step 5: Solve for x
    x = 7,779,174,272.06/84,444.96
  6. Step 6: Final answer
    x = 92,121.24

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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.