Home / 93,018.17-128,382.90-52,732.09

Finding the Fourth Proportional to 93,018.17, 128,382.90 and 52,732.09

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Solution

The fourth proportional to 93,018.17, 128,382.90 and 52,732.09 is: 72,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,018.17 : 128,382.90 = 52,732.09 : x
  2. Step 2: Convert to fraction form
    93,018.17/128,382.90 = 52,732.09/x
  3. Step 3: Cross multiply
    93,018.17x = 128,382.90 × 52,732.09
  4. Step 4: Simplify right side
    93,018.17x = 6,769,897,877.84
  5. Step 5: Solve for x
    x = 6,769,897,877.84/93,018.17
  6. Step 6: Final answer
    x = 72,780.38

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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.