Home / 53,966.40-74,443.68-31,606.08

Finding the Fourth Proportional to 53,966.40, 74,443.68 and 31,606.08

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Solution

The fourth proportional to 53,966.40, 74,443.68 and 31,606.08 is: 43,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,966.40 : 74,443.68 = 31,606.08 : x
  2. Step 2: Convert to fraction form
    53,966.40/74,443.68 = 31,606.08/x
  3. Step 3: Cross multiply
    53,966.40x = 74,443.68 × 31,606.08
  4. Step 4: Simplify right side
    53,966.40x = 2,352,872,905.57
  5. Step 5: Solve for x
    x = 2,352,872,905.57/53,966.40
  6. Step 6: Final answer
    x = 43,598.85

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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.