Home / 113,271.59-156,315.40-62,287.63

Finding the Fourth Proportional to 113,271.59, 156,315.40 and 62,287.63

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Solution

The fourth proportional to 113,271.59, 156,315.40 and 62,287.63 is: 85,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,271.59 : 156,315.40 = 62,287.63 : x
  2. Step 2: Convert to fraction form
    113,271.59/156,315.40 = 62,287.63/x
  3. Step 3: Cross multiply
    113,271.59x = 156,315.40 × 62,287.63
  4. Step 4: Simplify right side
    113,271.59x = 9,736,515,251.99
  5. Step 5: Solve for x
    x = 9,736,515,251.99/113,271.59
  6. Step 6: Final answer
    x = 85,957.26

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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.