Home / 92,931.74-128,252.16-52,645.84

Finding the Fourth Proportional to 92,931.74, 128,252.16 and 52,645.84

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Solution

The fourth proportional to 92,931.74, 128,252.16 and 52,645.84 is: 72,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,931.74 : 128,252.16 = 52,645.84 : x
  2. Step 2: Convert to fraction form
    92,931.74/128,252.16 = 52,645.84/x
  3. Step 3: Cross multiply
    92,931.74x = 128,252.16 × 52,645.84
  4. Step 4: Simplify right side
    92,931.74x = 6,751,942,695.01
  5. Step 5: Solve for x
    x = 6,751,942,695.01/92,931.74
  6. Step 6: Final answer
    x = 72,654.86

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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.