Home / 109,048.20-163,572.30-56,473.80

Finding the Fourth Proportional to 109,048.20, 163,572.30 and 56,473.80

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Solution

The fourth proportional to 109,048.20, 163,572.30 and 56,473.80 is: 84,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,048.20 : 163,572.30 = 56,473.80 : x
  2. Step 2: Convert to fraction form
    109,048.20/163,572.30 = 56,473.80/x
  3. Step 3: Cross multiply
    109,048.20x = 163,572.30 × 56,473.80
  4. Step 4: Simplify right side
    109,048.20x = 9,237,549,355.74
  5. Step 5: Solve for x
    x = 9,237,549,355.74/109,048.20
  6. Step 6: Final answer
    x = 84,710.70

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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.