Home / 78,867.60-108,835.86-44,875.35

Finding the Fourth Proportional to 78,867.60, 108,835.86 and 44,875.35

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Solution

The fourth proportional to 78,867.60, 108,835.86 and 44,875.35 is: 61,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,867.60 : 108,835.86 = 44,875.35 : x
  2. Step 2: Convert to fraction form
    78,867.60/108,835.86 = 44,875.35/x
  3. Step 3: Cross multiply
    78,867.60x = 108,835.86 × 44,875.35
  4. Step 4: Simplify right side
    78,867.60x = 4,884,047,310.05
  5. Step 5: Solve for x
    x = 4,884,047,310.05/78,867.60
  6. Step 6: Final answer
    x = 61,927.17

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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.