Home / 84,690.51-126,925.02-34,712.10

Finding the Fourth Proportional to 84,690.51, 126,925.02 and 34,712.10

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Solution

The fourth proportional to 84,690.51, 126,925.02 and 34,712.10 is: 52,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,690.51 : 126,925.02 = 34,712.10 : x
  2. Step 2: Convert to fraction form
    84,690.51/126,925.02 = 34,712.10/x
  3. Step 3: Cross multiply
    84,690.51x = 126,925.02 × 34,712.10
  4. Step 4: Simplify right side
    84,690.51x = 4,405,833,986.74
  5. Step 5: Solve for x
    x = 4,405,833,986.74/84,690.51
  6. Step 6: Final answer
    x = 52,022.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.