Home / 93,354.73-128,825.13-57,116.44

Finding the Fourth Proportional to 93,354.73, 128,825.13 and 57,116.44

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Solution

The fourth proportional to 93,354.73, 128,825.13 and 57,116.44 is: 78,818.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,354.73 : 128,825.13 = 57,116.44 : x
  2. Step 2: Convert to fraction form
    93,354.73/128,825.13 = 57,116.44/x
  3. Step 3: Cross multiply
    93,354.73x = 128,825.13 × 57,116.44
  4. Step 4: Simplify right side
    93,354.73x = 7,358,032,808.14
  5. Step 5: Solve for x
    x = 7,358,032,808.14/93,354.73
  6. Step 6: Final answer
    x = 78,818.00

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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.