Home / 77,652.32-116,158.80-71,030.24

Finding the Fourth Proportional to 77,652.32, 116,158.80 and 71,030.24

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Solution

The fourth proportional to 77,652.32, 116,158.80 and 71,030.24 is: 106,252.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,652.32 : 116,158.80 = 71,030.24 : x
  2. Step 2: Convert to fraction form
    77,652.32/116,158.80 = 71,030.24/x
  3. Step 3: Cross multiply
    77,652.32x = 116,158.80 × 71,030.24
  4. Step 4: Simplify right side
    77,652.32x = 8,250,787,442.11
  5. Step 5: Solve for x
    x = 8,250,787,442.11/77,652.32
  6. Step 6: Final answer
    x = 106,252.94

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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.