Home / 102,558.34-141,525.93-57,233.86

Finding the Fourth Proportional to 102,558.34, 141,525.93 and 57,233.86

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Solution

The fourth proportional to 102,558.34, 141,525.93 and 57,233.86 is: 78,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,558.34 : 141,525.93 = 57,233.86 : x
  2. Step 2: Convert to fraction form
    102,558.34/141,525.93 = 57,233.86/x
  3. Step 3: Cross multiply
    102,558.34x = 141,525.93 × 57,233.86
  4. Step 4: Simplify right side
    102,558.34x = 8,100,075,263.99
  5. Step 5: Solve for x
    x = 8,100,075,263.99/102,558.34
  6. Step 6: Final answer
    x = 78,980.17

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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.