Home / 53,312.45-73,569.80-35,140.91

Finding the Fourth Proportional to 53,312.45, 73,569.80 and 35,140.91

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Solution

The fourth proportional to 53,312.45, 73,569.80 and 35,140.91 is: 48,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,312.45 : 73,569.80 = 35,140.91 : x
  2. Step 2: Convert to fraction form
    53,312.45/73,569.80 = 35,140.91/x
  3. Step 3: Cross multiply
    53,312.45x = 73,569.80 × 35,140.91
  4. Step 4: Simplify right side
    53,312.45x = 2,585,309,440.52
  5. Step 5: Solve for x
    x = 2,585,309,440.52/53,312.45
  6. Step 6: Final answer
    x = 48,493.54

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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.