Home / 78,313.16-108,023.00-46,459.50

Finding the Fourth Proportional to 78,313.16, 108,023.00 and 46,459.50

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Solution

The fourth proportional to 78,313.16, 108,023.00 and 46,459.50 is: 64,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,313.16 : 108,023.00 = 46,459.50 : x
  2. Step 2: Convert to fraction form
    78,313.16/108,023.00 = 46,459.50/x
  3. Step 3: Cross multiply
    78,313.16x = 108,023.00 × 46,459.50
  4. Step 4: Simplify right side
    78,313.16x = 5,018,694,336.20
  5. Step 5: Solve for x
    x = 5,018,694,336.20/78,313.16
  6. Step 6: Final answer
    x = 64,084.95

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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.