Home / 92,931.24-128,251.46-52,645.34

Finding the Fourth Proportional to 92,931.24, 128,251.46 and 52,645.34

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Solution

The fourth proportional to 92,931.24, 128,251.46 and 52,645.34 is: 72,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,931.24 : 128,251.46 = 52,645.34 : x
  2. Step 2: Convert to fraction form
    92,931.24/128,251.46 = 52,645.34/x
  3. Step 3: Cross multiply
    92,931.24x = 128,251.46 × 52,645.34
  4. Step 4: Simplify right side
    92,931.24x = 6,751,841,717.20
  5. Step 5: Solve for x
    x = 6,751,841,717.20/92,931.24
  6. Step 6: Final answer
    x = 72,654.17

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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.