Home / 77,325.16-106,684.32-43,328.92

Finding the Fourth Proportional to 77,325.16, 106,684.32 and 43,328.92

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Solution

The fourth proportional to 77,325.16, 106,684.32 and 43,328.92 is: 59,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,325.16 : 106,684.32 = 43,328.92 : x
  2. Step 2: Convert to fraction form
    77,325.16/106,684.32 = 43,328.92/x
  3. Step 3: Cross multiply
    77,325.16x = 106,684.32 × 43,328.92
  4. Step 4: Simplify right side
    77,325.16x = 4,622,516,366.53
  5. Step 5: Solve for x
    x = 4,622,516,366.53/77,325.16
  6. Step 6: Final answer
    x = 59,780.24

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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.