Home / 108,898.56-163,271.04-42,283.20

Finding the Fourth Proportional to 108,898.56, 163,271.04 and 42,283.20

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Solution

The fourth proportional to 108,898.56, 163,271.04 and 42,283.20 is: 63,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,898.56 : 163,271.04 = 42,283.20 : x
  2. Step 2: Convert to fraction form
    108,898.56/163,271.04 = 42,283.20/x
  3. Step 3: Cross multiply
    108,898.56x = 163,271.04 × 42,283.20
  4. Step 4: Simplify right side
    108,898.56x = 6,903,622,038.53
  5. Step 5: Solve for x
    x = 6,903,622,038.53/108,898.56
  6. Step 6: Final answer
    x = 63,394.98

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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.