Home / 76,470.66-105,525.95-42,481.35

Finding the Fourth Proportional to 76,470.66, 105,525.95 and 42,481.35

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Solution

The fourth proportional to 76,470.66, 105,525.95 and 42,481.35 is: 58,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,470.66 : 105,525.95 = 42,481.35 : x
  2. Step 2: Convert to fraction form
    76,470.66/105,525.95 = 42,481.35/x
  3. Step 3: Cross multiply
    76,470.66x = 105,525.95 × 42,481.35
  4. Step 4: Simplify right side
    76,470.66x = 4,482,884,603.63
  5. Step 5: Solve for x
    x = 4,482,884,603.63/76,470.66
  6. Step 6: Final answer
    x = 58,622.28

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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.