Home / 112,981.96-169,465.92-46,420.35

Finding the Fourth Proportional to 112,981.96, 169,465.92 and 46,420.35

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Solution

The fourth proportional to 112,981.96, 169,465.92 and 46,420.35 is: 69,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,981.96 : 169,465.92 = 46,420.35 : x
  2. Step 2: Convert to fraction form
    112,981.96/169,465.92 = 46,420.35/x
  3. Step 3: Cross multiply
    112,981.96x = 169,465.92 × 46,420.35
  4. Step 4: Simplify right side
    112,981.96x = 7,866,667,319.47
  5. Step 5: Solve for x
    x = 7,866,667,319.47/112,981.96
  6. Step 6: Final answer
    x = 69,627.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.