Home / 104,070.38-143,616.85-56,323.71

Finding the Fourth Proportional to 104,070.38, 143,616.85 and 56,323.71

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Solution

The fourth proportional to 104,070.38, 143,616.85 and 56,323.71 is: 77,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,070.38 : 143,616.85 = 56,323.71 : x
  2. Step 2: Convert to fraction form
    104,070.38/143,616.85 = 56,323.71/x
  3. Step 3: Cross multiply
    104,070.38x = 143,616.85 × 56,323.71
  4. Step 4: Simplify right side
    104,070.38x = 8,089,033,810.51
  5. Step 5: Solve for x
    x = 8,089,033,810.51/104,070.38
  6. Step 6: Final answer
    x = 77,726.57

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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.