Home / 78,533.17-108,378.21-44,543.04

Finding the Fourth Proportional to 78,533.17, 108,378.21 and 44,543.04

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Solution

The fourth proportional to 78,533.17, 108,378.21 and 44,543.04 is: 61,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,533.17 : 108,378.21 = 44,543.04 : x
  2. Step 2: Convert to fraction form
    78,533.17/108,378.21 = 44,543.04/x
  3. Step 3: Cross multiply
    78,533.17x = 108,378.21 × 44,543.04
  4. Step 4: Simplify right side
    78,533.17x = 4,827,495,313.40
  5. Step 5: Solve for x
    x = 4,827,495,313.40/78,533.17
  6. Step 6: Final answer
    x = 61,470.78

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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.