Home / 84,295.02-126,461.04-31,704.51

Finding the Fourth Proportional to 84,295.02, 126,461.04 and 31,704.51

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Solution

The fourth proportional to 84,295.02, 126,461.04 and 31,704.51 is: 47,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,295.02 : 126,461.04 = 31,704.51 : x
  2. Step 2: Convert to fraction form
    84,295.02/126,461.04 = 31,704.51/x
  3. Step 3: Cross multiply
    84,295.02x = 126,461.04 × 31,704.51
  4. Step 4: Simplify right side
    84,295.02x = 4,009,385,307.29
  5. Step 5: Solve for x
    x = 4,009,385,307.29/84,295.02
  6. Step 6: Final answer
    x = 47,563.73

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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.