Home / 104,070.08-143,617.08-56,323.40

Finding the Fourth Proportional to 104,070.08, 143,617.08 and 56,323.40

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Solution

The fourth proportional to 104,070.08, 143,617.08 and 56,323.40 is: 77,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,070.08 : 143,617.08 = 56,323.40 : x
  2. Step 2: Convert to fraction form
    104,070.08/143,617.08 = 56,323.40/x
  3. Step 3: Cross multiply
    104,070.08x = 143,617.08 × 56,323.40
  4. Step 4: Simplify right side
    104,070.08x = 8,089,002,243.67
  5. Step 5: Solve for x
    x = 8,089,002,243.67/104,070.08
  6. Step 6: Final answer
    x = 77,726.49

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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.