Home / 92,961.20-128,298.13-52,688.00

Finding the Fourth Proportional to 92,961.20, 128,298.13 and 52,688.00

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Solution

The fourth proportional to 92,961.20, 128,298.13 and 52,688.00 is: 72,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,961.20 : 128,298.13 = 52,688.00 : x
  2. Step 2: Convert to fraction form
    92,961.20/128,298.13 = 52,688.00/x
  3. Step 3: Cross multiply
    92,961.20x = 128,298.13 × 52,688.00
  4. Step 4: Simplify right side
    92,961.20x = 6,759,772,062.47
  5. Step 5: Solve for x
    x = 6,759,772,062.47/92,961.20
  6. Step 6: Final answer
    x = 72,716.06

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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.