Home / 78,656.06-108,547.19-44,659.15

Finding the Fourth Proportional to 78,656.06, 108,547.19 and 44,659.15

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Solution

The fourth proportional to 78,656.06, 108,547.19 and 44,659.15 is: 61,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,656.06 : 108,547.19 = 44,659.15 : x
  2. Step 2: Convert to fraction form
    78,656.06/108,547.19 = 44,659.15/x
  3. Step 3: Cross multiply
    78,656.06x = 108,547.19 × 44,659.15
  4. Step 4: Simplify right side
    78,656.06x = 4,847,624,913.10
  5. Step 5: Solve for x
    x = 4,847,624,913.10/78,656.06
  6. Step 6: Final answer
    x = 61,630.66

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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.