Home / 104,055.16-143,596.50-56,308.51

Finding the Fourth Proportional to 104,055.16, 143,596.50 and 56,308.51

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Solution

The fourth proportional to 104,055.16, 143,596.50 and 56,308.51 is: 77,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,055.16 : 143,596.50 = 56,308.51 : x
  2. Step 2: Convert to fraction form
    104,055.16/143,596.50 = 56,308.51/x
  3. Step 3: Cross multiply
    104,055.16x = 143,596.50 × 56,308.51
  4. Step 4: Simplify right side
    104,055.16x = 8,085,704,956.22
  5. Step 5: Solve for x
    x = 8,085,704,956.22/104,055.16
  6. Step 6: Final answer
    x = 77,705.95

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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.