Home / 84,295.07-126,347.22-34,312.40

Finding the Fourth Proportional to 84,295.07, 126,347.22 and 34,312.40

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Solution

The fourth proportional to 84,295.07, 126,347.22 and 34,312.40 is: 51,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,295.07 : 126,347.22 = 34,312.40 : x
  2. Step 2: Convert to fraction form
    84,295.07/126,347.22 = 34,312.40/x
  3. Step 3: Cross multiply
    84,295.07x = 126,347.22 × 34,312.40
  4. Step 4: Simplify right side
    84,295.07x = 4,335,275,719.79
  5. Step 5: Solve for x
    x = 4,335,275,719.79/84,295.07
  6. Step 6: Final answer
    x = 51,429.77

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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.