Home / 89,073.04-122,931.52-55,104.08

Finding the Fourth Proportional to 89,073.04, 122,931.52 and 55,104.08

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Solution

The fourth proportional to 89,073.04, 122,931.52 and 55,104.08 is: 76,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,073.04 : 122,931.52 = 55,104.08 : x
  2. Step 2: Convert to fraction form
    89,073.04/122,931.52 = 55,104.08/x
  3. Step 3: Cross multiply
    89,073.04x = 122,931.52 × 55,104.08
  4. Step 4: Simplify right side
    89,073.04x = 6,774,028,312.60
  5. Step 5: Solve for x
    x = 6,774,028,312.60/89,073.04
  6. Step 6: Final answer
    x = 76,050.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.