Home / 77,366.34-106,776.36-55,925.64

Finding the Fourth Proportional to 77,366.34, 106,776.36 and 55,925.64

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Solution

The fourth proportional to 77,366.34, 106,776.36 and 55,925.64 is: 77,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,366.34 : 106,776.36 = 55,925.64 : x
  2. Step 2: Convert to fraction form
    77,366.34/106,776.36 = 55,925.64/x
  3. Step 3: Cross multiply
    77,366.34x = 106,776.36 × 55,925.64
  4. Step 4: Simplify right side
    77,366.34x = 5,971,536,269.87
  5. Step 5: Solve for x
    x = 5,971,536,269.87/77,366.34
  6. Step 6: Final answer
    x = 77,185.20

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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.