Home / 93,243.12-128,671.02-52,951.56

Finding the Fourth Proportional to 93,243.12, 128,671.02 and 52,951.56

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Solution

The fourth proportional to 93,243.12, 128,671.02 and 52,951.56 is: 73,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,243.12 : 128,671.02 = 52,951.56 : x
  2. Step 2: Convert to fraction form
    93,243.12/128,671.02 = 52,951.56/x
  3. Step 3: Cross multiply
    93,243.12x = 128,671.02 × 52,951.56
  4. Step 4: Simplify right side
    93,243.12x = 6,813,331,235.79
  5. Step 5: Solve for x
    x = 6,813,331,235.79/93,243.12
  6. Step 6: Final answer
    x = 73,070.61

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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.