Home / 78,086.03-107,751.06-46,248.77

Finding the Fourth Proportional to 78,086.03, 107,751.06 and 46,248.77

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Solution

The fourth proportional to 78,086.03, 107,751.06 and 46,248.77 is: 63,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,086.03 : 107,751.06 = 46,248.77 : x
  2. Step 2: Convert to fraction form
    78,086.03/107,751.06 = 46,248.77/x
  3. Step 3: Cross multiply
    78,086.03x = 107,751.06 × 46,248.77
  4. Step 4: Simplify right side
    78,086.03x = 4,983,354,260.57
  5. Step 5: Solve for x
    x = 4,983,354,260.57/78,086.03
  6. Step 6: Final answer
    x = 63,818.77

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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.