Home / 58,881.90-81,225.48-40,945.77

Finding the Fourth Proportional to 58,881.90, 81,225.48 and 40,945.77

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Solution

The fourth proportional to 58,881.90, 81,225.48 and 40,945.77 is: 56,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,881.90 : 81,225.48 = 40,945.77 : x
  2. Step 2: Convert to fraction form
    58,881.90/81,225.48 = 40,945.77/x
  3. Step 3: Cross multiply
    58,881.90x = 81,225.48 × 40,945.77
  4. Step 4: Simplify right side
    58,881.90x = 3,325,839,975.77
  5. Step 5: Solve for x
    x = 3,325,839,975.77/58,881.90
  6. Step 6: Final answer
    x = 56,483.23

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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.