Home / 77,339.08-106,734.80-45,071.92

Finding the Fourth Proportional to 77,339.08, 106,734.80 and 45,071.92

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Solution

The fourth proportional to 77,339.08, 106,734.80 and 45,071.92 is: 62,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,339.08 : 106,734.80 = 45,071.92 : x
  2. Step 2: Convert to fraction form
    77,339.08/106,734.80 = 45,071.92/x
  3. Step 3: Cross multiply
    77,339.08x = 106,734.80 × 45,071.92
  4. Step 4: Simplify right side
    77,339.08x = 4,810,742,366.82
  5. Step 5: Solve for x
    x = 4,810,742,366.82/77,339.08
  6. Step 6: Final answer
    x = 62,203.25

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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.