Home / 53,439.12-73,720.92-34,582.32

Finding the Fourth Proportional to 53,439.12, 73,720.92 and 34,582.32

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Solution

The fourth proportional to 53,439.12, 73,720.92 and 34,582.32 is: 47,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,439.12 : 73,720.92 = 34,582.32 : x
  2. Step 2: Convert to fraction form
    53,439.12/73,720.92 = 34,582.32/x
  3. Step 3: Cross multiply
    53,439.12x = 73,720.92 × 34,582.32
  4. Step 4: Simplify right side
    53,439.12x = 2,549,440,446.13
  5. Step 5: Solve for x
    x = 2,549,440,446.13/53,439.12
  6. Step 6: Final answer
    x = 47,707.38

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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.