Home / 92,931.23-128,245.41-52,652.45

Finding the Fourth Proportional to 92,931.23, 128,245.41 and 52,652.45

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Solution

The fourth proportional to 92,931.23, 128,245.41 and 52,652.45 is: 72,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,931.23 : 128,245.41 = 52,652.45 : x
  2. Step 2: Convert to fraction form
    92,931.23/128,245.41 = 52,652.45/x
  3. Step 3: Cross multiply
    92,931.23x = 128,245.41 × 52,652.45
  4. Step 4: Simplify right side
    92,931.23x = 6,752,435,037.75
  5. Step 5: Solve for x
    x = 6,752,435,037.75/92,931.23
  6. Step 6: Final answer
    x = 72,660.56

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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.