Home / 108,963.04-163,455.18-42,408.58

Finding the Fourth Proportional to 108,963.04, 163,455.18 and 42,408.58

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Solution

The fourth proportional to 108,963.04, 163,455.18 and 42,408.58 is: 63,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,963.04 : 163,455.18 = 42,408.58 : x
  2. Step 2: Convert to fraction form
    108,963.04/163,455.18 = 42,408.58/x
  3. Step 3: Cross multiply
    108,963.04x = 163,455.18 × 42,408.58
  4. Step 4: Simplify right side
    108,963.04x = 6,931,902,077.44
  5. Step 5: Solve for x
    x = 6,931,902,077.44/108,963.04
  6. Step 6: Final answer
    x = 63,617.00

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1.5x scale

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.