Home / 89,110.04-133,646.13-53,102.43

Finding the Fourth Proportional to 89,110.04, 133,646.13 and 53,102.43

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Solution

The fourth proportional to 89,110.04, 133,646.13 and 53,102.43 is: 79,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,110.04 : 133,646.13 = 53,102.43 : x
  2. Step 2: Convert to fraction form
    89,110.04/133,646.13 = 53,102.43/x
  3. Step 3: Cross multiply
    89,110.04x = 133,646.13 × 53,102.43
  4. Step 4: Simplify right side
    89,110.04x = 7,096,934,263.10
  5. Step 5: Solve for x
    x = 7,096,934,263.10/89,110.04
  6. Step 6: Final answer
    x = 79,642.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.