Home / 84,555.64-116,551.28-57,323.39

Finding the Fourth Proportional to 84,555.64, 116,551.28 and 57,323.39

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Solution

The fourth proportional to 84,555.64, 116,551.28 and 57,323.39 is: 79,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,555.64 : 116,551.28 = 57,323.39 : x
  2. Step 2: Convert to fraction form
    84,555.64/116,551.28 = 57,323.39/x
  3. Step 3: Cross multiply
    84,555.64x = 116,551.28 × 57,323.39
  4. Step 4: Simplify right side
    84,555.64x = 6,681,113,609.07
  5. Step 5: Solve for x
    x = 6,681,113,609.07/84,555.64
  6. Step 6: Final answer
    x = 79,014.41

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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.