Home / 52,845.79-72,925.26-28,971.94

Finding the Fourth Proportional to 52,845.79, 72,925.26 and 28,971.94

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Solution

The fourth proportional to 52,845.79, 72,925.26 and 28,971.94 is: 39,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.79 : 72,925.26 = 28,971.94 : x
  2. Step 2: Convert to fraction form
    52,845.79/72,925.26 = 28,971.94/x
  3. Step 3: Cross multiply
    52,845.79x = 72,925.26 × 28,971.94
  4. Step 4: Simplify right side
    52,845.79x = 2,112,786,112.34
  5. Step 5: Solve for x
    x = 2,112,786,112.34/52,845.79
  6. Step 6: Final answer
    x = 39,980.22

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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.