Home / 112,784.28-169,176.65-46,212.45

Finding the Fourth Proportional to 112,784.28, 169,176.65 and 46,212.45

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Solution

The fourth proportional to 112,784.28, 169,176.65 and 46,212.45 is: 69,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,784.28 : 169,176.65 = 46,212.45 : x
  2. Step 2: Convert to fraction form
    112,784.28/169,176.65 = 46,212.45/x
  3. Step 3: Cross multiply
    112,784.28x = 169,176.65 × 46,212.45
  4. Step 4: Simplify right side
    112,784.28x = 7,818,067,248.23
  5. Step 5: Solve for x
    x = 7,818,067,248.23/112,784.28
  6. Step 6: Final answer
    x = 69,318.77

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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.