Home / 109,079.10-163,706.04-56,503.62

Finding the Fourth Proportional to 109,079.10, 163,706.04 and 56,503.62

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Solution

The fourth proportional to 109,079.10, 163,706.04 and 56,503.62 is: 84,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,079.10 : 163,706.04 = 56,503.62 : x
  2. Step 2: Convert to fraction form
    109,079.10/163,706.04 = 56,503.62/x
  3. Step 3: Cross multiply
    109,079.10x = 163,706.04 × 56,503.62
  4. Step 4: Simplify right side
    109,079.10x = 9,249,983,875.86
  5. Step 5: Solve for x
    x = 9,249,983,875.86/109,079.10
  6. Step 6: Final answer
    x = 84,800.70

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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.