Home / 81,003.04-121,303.68-56,068

Finding the Fourth Proportional to 81,003.04, 121,303.68 and 56,068

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Solution

The fourth proportional to 81,003.04, 121,303.68 and 56,068 is: 83,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,003.04 : 121,303.68 = 56,068 : x
  2. Step 2: Convert to fraction form
    81,003.04/121,303.68 = 56,068/x
  3. Step 3: Cross multiply
    81,003.04x = 121,303.68 × 56,068
  4. Step 4: Simplify right side
    81,003.04x = 6,801,254,730.24
  5. Step 5: Solve for x
    x = 6,801,254,730.24/81,003.04
  6. Step 6: Final answer
    x = 83,962.96

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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.