Home / 92,961.23-128,283.83-52,688.00

Finding the Fourth Proportional to 92,961.23, 128,283.83 and 52,688.00

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Solution

The fourth proportional to 92,961.23, 128,283.83 and 52,688.00 is: 72,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,961.23 : 128,283.83 = 52,688.00 : x
  2. Step 2: Convert to fraction form
    92,961.23/128,283.83 = 52,688.00/x
  3. Step 3: Cross multiply
    92,961.23x = 128,283.83 × 52,688.00
  4. Step 4: Simplify right side
    92,961.23x = 6,759,017,530.18
  5. Step 5: Solve for x
    x = 6,759,017,530.18/92,961.23
  6. Step 6: Final answer
    x = 72,707.92

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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.