Home / 53,541.23-73,894.65-30,875.72

Finding the Fourth Proportional to 53,541.23, 73,894.65 and 30,875.72

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Solution

The fourth proportional to 53,541.23, 73,894.65 and 30,875.72 is: 42,612.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,541.23 : 73,894.65 = 30,875.72 : x
  2. Step 2: Convert to fraction form
    53,541.23/73,894.65 = 30,875.72/x
  3. Step 3: Cross multiply
    53,541.23x = 73,894.65 × 30,875.72
  4. Step 4: Simplify right side
    53,541.23x = 2,281,550,153.42
  5. Step 5: Solve for x
    x = 2,281,550,153.42/53,541.23
  6. Step 6: Final answer
    x = 42,612.96

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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.