Home / 105,880.32-146,104.08-63,437.76

Finding the Fourth Proportional to 105,880.32, 146,104.08 and 63,437.76

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Solution

The fourth proportional to 105,880.32, 146,104.08 and 63,437.76 is: 87,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,880.32 : 146,104.08 = 63,437.76 : x
  2. Step 2: Convert to fraction form
    105,880.32/146,104.08 = 63,437.76/x
  3. Step 3: Cross multiply
    105,880.32x = 146,104.08 × 63,437.76
  4. Step 4: Simplify right side
    105,880.32x = 9,268,515,562.06
  5. Step 5: Solve for x
    x = 9,268,515,562.06/105,880.32
  6. Step 6: Final answer
    x = 87,537.66

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1.5x scale

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.