Home / 81,407.23-112,344.17-45,596.45

Finding the Fourth Proportional to 81,407.23, 112,344.17 and 45,596.45

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Solution

The fourth proportional to 81,407.23, 112,344.17 and 45,596.45 is: 62,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,407.23 : 112,344.17 = 45,596.45 : x
  2. Step 2: Convert to fraction form
    81,407.23/112,344.17 = 45,596.45/x
  3. Step 3: Cross multiply
    81,407.23x = 112,344.17 × 45,596.45
  4. Step 4: Simplify right side
    81,407.23x = 5,122,495,383.07
  5. Step 5: Solve for x
    x = 5,122,495,383.07/81,407.23
  6. Step 6: Final answer
    x = 62,924.33

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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.