Home / 92,921.34-128,242.95-55,195.74

Finding the Fourth Proportional to 92,921.34, 128,242.95 and 55,195.74

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Solution

The fourth proportional to 92,921.34, 128,242.95 and 55,195.74 is: 76,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,921.34 : 128,242.95 = 55,195.74 : x
  2. Step 2: Convert to fraction form
    92,921.34/128,242.95 = 55,195.74/x
  3. Step 3: Cross multiply
    92,921.34x = 128,242.95 × 55,195.74
  4. Step 4: Simplify right side
    92,921.34x = 7,078,464,525.03
  5. Step 5: Solve for x
    x = 7,078,464,525.03/92,921.34
  6. Step 6: Final answer
    x = 76,176.95

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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.