Home / 53,748.45-74,172.85-29,875.16

Finding the Fourth Proportional to 53,748.45, 74,172.85 and 29,875.16

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Solution

The fourth proportional to 53,748.45, 74,172.85 and 29,875.16 is: 41,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,748.45 : 74,172.85 = 29,875.16 : x
  2. Step 2: Convert to fraction form
    53,748.45/74,172.85 = 29,875.16/x
  3. Step 3: Cross multiply
    53,748.45x = 74,172.85 × 29,875.16
  4. Step 4: Simplify right side
    53,748.45x = 2,215,925,872.15
  5. Step 5: Solve for x
    x = 2,215,925,872.15/53,748.45
  6. Step 6: Final answer
    x = 41,227.72

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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.