Home / 93,208.77-128,637.05-57,419.73

Finding the Fourth Proportional to 93,208.77, 128,637.05 and 57,419.73

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Solution

The fourth proportional to 93,208.77, 128,637.05 and 57,419.73 is: 79,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,208.77 : 128,637.05 = 57,419.73 : x
  2. Step 2: Convert to fraction form
    93,208.77/128,637.05 = 57,419.73/x
  3. Step 3: Cross multiply
    93,208.77x = 128,637.05 × 57,419.73
  4. Step 4: Simplify right side
    93,208.77x = 7,386,304,391.90
  5. Step 5: Solve for x
    x = 7,386,304,391.90/93,208.77
  6. Step 6: Final answer
    x = 79,244.74

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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.