Home / 109,113.12-163,671.84-56,488.32

Finding the Fourth Proportional to 109,113.12, 163,671.84 and 56,488.32

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Solution

The fourth proportional to 109,113.12, 163,671.84 and 56,488.32 is: 84,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,113.12 : 163,671.84 = 56,488.32 : x
  2. Step 2: Convert to fraction form
    109,113.12/163,671.84 = 56,488.32/x
  3. Step 3: Cross multiply
    109,113.12x = 163,671.84 × 56,488.32
  4. Step 4: Simplify right side
    109,113.12x = 9,245,547,272.91
  5. Step 5: Solve for x
    x = 9,245,547,272.91/109,113.12
  6. Step 6: Final answer
    x = 84,733.60

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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.