Home / 78,292.28-108,071.36-46,461.17

Finding the Fourth Proportional to 78,292.28, 108,071.36 and 46,461.17

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Solution

The fourth proportional to 78,292.28, 108,071.36 and 46,461.17 is: 64,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,292.28 : 108,071.36 = 46,461.17 : x
  2. Step 2: Convert to fraction form
    78,292.28/108,071.36 = 46,461.17/x
  3. Step 3: Cross multiply
    78,292.28x = 108,071.36 × 46,461.17
  4. Step 4: Simplify right side
    78,292.28x = 5,021,121,056.43
  5. Step 5: Solve for x
    x = 5,021,121,056.43/78,292.28
  6. Step 6: Final answer
    x = 64,133.03

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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.