Home / 78,319.23-108,080.70-46,494.51

Finding the Fourth Proportional to 78,319.23, 108,080.70 and 46,494.51

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Solution

The fourth proportional to 78,319.23, 108,080.70 and 46,494.51 is: 64,162.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,319.23 : 108,080.70 = 46,494.51 : x
  2. Step 2: Convert to fraction form
    78,319.23/108,080.70 = 46,494.51/x
  3. Step 3: Cross multiply
    78,319.23x = 108,080.70 × 46,494.51
  4. Step 4: Simplify right side
    78,319.23x = 5,025,159,186.96
  5. Step 5: Solve for x
    x = 5,025,159,186.96/78,319.23
  6. Step 6: Final answer
    x = 64,162.52

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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.