Home / 84,955.08-117,243.78-56,225.18

Finding the Fourth Proportional to 84,955.08, 117,243.78 and 56,225.18

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Solution

The fourth proportional to 84,955.08, 117,243.78 and 56,225.18 is: 77,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,955.08 : 117,243.78 = 56,225.18 : x
  2. Step 2: Convert to fraction form
    84,955.08/117,243.78 = 56,225.18/x
  3. Step 3: Cross multiply
    84,955.08x = 117,243.78 × 56,225.18
  4. Step 4: Simplify right side
    84,955.08x = 6,592,052,634.38
  5. Step 5: Solve for x
    x = 6,592,052,634.38/84,955.08
  6. Step 6: Final answer
    x = 77,594.57

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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.