Home / 78,829.11-108,780.93-46,574.19

Finding the Fourth Proportional to 78,829.11, 108,780.93 and 46,574.19

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Solution

The fourth proportional to 78,829.11, 108,780.93 and 46,574.19 is: 64,270.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,829.11 : 108,780.93 = 46,574.19 : x
  2. Step 2: Convert to fraction form
    78,829.11/108,780.93 = 46,574.19/x
  3. Step 3: Cross multiply
    78,829.11x = 108,780.93 × 46,574.19
  4. Step 4: Simplify right side
    78,829.11x = 5,066,383,702.20
  5. Step 5: Solve for x
    x = 5,066,383,702.20/78,829.11
  6. Step 6: Final answer
    x = 64,270.47

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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.