Home / 102,558.42-141,530.76-62,261.46

Finding the Fourth Proportional to 102,558.42, 141,530.76 and 62,261.46

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Solution

The fourth proportional to 102,558.42, 141,530.76 and 62,261.46 is: 85,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,558.42 : 141,530.76 = 62,261.46 : x
  2. Step 2: Convert to fraction form
    102,558.42/141,530.76 = 62,261.46/x
  3. Step 3: Cross multiply
    102,558.42x = 141,530.76 × 62,261.46
  4. Step 4: Simplify right side
    102,558.42x = 8,811,911,752.51
  5. Step 5: Solve for x
    x = 8,811,911,752.51/102,558.42
  6. Step 6: Final answer
    x = 85,920.90

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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.