Home / 77,327.36-106,701.80-45,484.64

Finding the Fourth Proportional to 77,327.36, 106,701.80 and 45,484.64

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Solution

The fourth proportional to 77,327.36, 106,701.80 and 45,484.64 is: 62,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327.36 : 106,701.80 = 45,484.64 : x
  2. Step 2: Convert to fraction form
    77,327.36/106,701.80 = 45,484.64/x
  3. Step 3: Cross multiply
    77,327.36x = 106,701.80 × 45,484.64
  4. Step 4: Simplify right side
    77,327.36x = 4,853,292,960.35
  5. Step 5: Solve for x
    x = 4,853,292,960.35/77,327.36
  6. Step 6: Final answer
    x = 62,762.95

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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.