Home / 77,458.58-106,196.64-76,058.90

Finding the Fourth Proportional to 77,458.58, 106,196.64 and 76,058.90

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Solution

The fourth proportional to 77,458.58, 106,196.64 and 76,058.90 is: 104,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,458.58 : 106,196.64 = 76,058.90 : x
  2. Step 2: Convert to fraction form
    77,458.58/106,196.64 = 76,058.90/x
  3. Step 3: Cross multiply
    77,458.58x = 106,196.64 × 76,058.90
  4. Step 4: Simplify right side
    77,458.58x = 8,077,199,622.10
  5. Step 5: Solve for x
    x = 8,077,199,622.10/77,458.58
  6. Step 6: Final answer
    x = 104,277.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.