Home / 78,236.16-117,356.20-24,927.26

Finding the Fourth Proportional to 78,236.16, 117,356.20 and 24,927.26

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Solution

The fourth proportional to 78,236.16, 117,356.20 and 24,927.26 is: 37,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,236.16 : 117,356.20 = 24,927.26 : x
  2. Step 2: Convert to fraction form
    78,236.16/117,356.20 = 24,927.26/x
  3. Step 3: Cross multiply
    78,236.16x = 117,356.20 × 24,927.26
  4. Step 4: Simplify right side
    78,236.16x = 2,925,368,510.01
  5. Step 5: Solve for x
    x = 2,925,368,510.01/78,236.16
  6. Step 6: Final answer
    x = 37,391.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.