Home / 78,637.43-108,444.22-52,854.32

Finding the Fourth Proportional to 78,637.43, 108,444.22 and 52,854.32

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Solution

The fourth proportional to 78,637.43, 108,444.22 and 52,854.32 is: 72,888.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,637.43 : 108,444.22 = 52,854.32 : x
  2. Step 2: Convert to fraction form
    78,637.43/108,444.22 = 52,854.32/x
  3. Step 3: Cross multiply
    78,637.43x = 108,444.22 × 52,854.32
  4. Step 4: Simplify right side
    78,637.43x = 5,731,745,645.01
  5. Step 5: Solve for x
    x = 5,731,745,645.01/78,637.43
  6. Step 6: Final answer
    x = 72,888.26

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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.