Home / 108,913.96-163,307.52-42,276.24

Finding the Fourth Proportional to 108,913.96, 163,307.52 and 42,276.24

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Solution

The fourth proportional to 108,913.96, 163,307.52 and 42,276.24 is: 63,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,913.96 : 163,307.52 = 42,276.24 : x
  2. Step 2: Convert to fraction form
    108,913.96/163,307.52 = 42,276.24/x
  3. Step 3: Cross multiply
    108,913.96x = 163,307.52 × 42,276.24
  4. Step 4: Simplify right side
    108,913.96x = 6,904,027,909.32
  5. Step 5: Solve for x
    x = 6,904,027,909.32/108,913.96
  6. Step 6: Final answer
    x = 63,389.74

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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.