Home / 78,447.01-108,260.09-44,455.13

Finding the Fourth Proportional to 78,447.01, 108,260.09 and 44,455.13

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Solution

The fourth proportional to 78,447.01, 108,260.09 and 44,455.13 is: 61,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,447.01 : 108,260.09 = 44,455.13 : x
  2. Step 2: Convert to fraction form
    78,447.01/108,260.09 = 44,455.13/x
  3. Step 3: Cross multiply
    78,447.01x = 108,260.09 × 44,455.13
  4. Step 4: Simplify right side
    78,447.01x = 4,812,716,495.15
  5. Step 5: Solve for x
    x = 4,812,716,495.15/78,447.01
  6. Step 6: Final answer
    x = 61,349.91

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1.5x scale

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.