Home / 81,973.57-122,911.08-55,598.35

Finding the Fourth Proportional to 81,973.57, 122,911.08 and 55,598.35

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Solution

The fourth proportional to 81,973.57, 122,911.08 and 55,598.35 is: 83,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,973.57 : 122,911.08 = 55,598.35 : x
  2. Step 2: Convert to fraction form
    81,973.57/122,911.08 = 55,598.35/x
  3. Step 3: Cross multiply
    81,973.57x = 122,911.08 × 55,598.35
  4. Step 4: Simplify right side
    81,973.57x = 6,833,653,244.72
  5. Step 5: Solve for x
    x = 6,833,653,244.72/81,973.57
  6. Step 6: Final answer
    x = 83,364.10

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1.5x scale

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.