Home / 53,664.72-74,065.80-51,302.16

Finding the Fourth Proportional to 53,664.72, 74,065.80 and 51,302.16

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Solution

The fourth proportional to 53,664.72, 74,065.80 and 51,302.16 is: 70,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,664.72 : 74,065.80 = 51,302.16 : x
  2. Step 2: Convert to fraction form
    53,664.72/74,065.80 = 51,302.16/x
  3. Step 3: Cross multiply
    53,664.72x = 74,065.80 × 51,302.16
  4. Step 4: Simplify right side
    53,664.72x = 3,799,735,522.13
  5. Step 5: Solve for x
    x = 3,799,735,522.13/53,664.72
  6. Step 6: Final answer
    x = 70,805.09

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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.