Home / 93,058.04-128,464.71-57,278.72

Finding the Fourth Proportional to 93,058.04, 128,464.71 and 57,278.72

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Solution

The fourth proportional to 93,058.04, 128,464.71 and 57,278.72 is: 79,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,058.04 : 128,464.71 = 57,278.72 : x
  2. Step 2: Convert to fraction form
    93,058.04/128,464.71 = 57,278.72/x
  3. Step 3: Cross multiply
    93,058.04x = 128,464.71 × 57,278.72
  4. Step 4: Simplify right side
    93,058.04x = 7,358,294,153.97
  5. Step 5: Solve for x
    x = 7,358,294,153.97/93,058.04
  6. Step 6: Final answer
    x = 79,072.09

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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.