Home / 56,453.08-77,908.76-31,302.58

Finding the Fourth Proportional to 56,453.08, 77,908.76 and 31,302.58

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Solution

The fourth proportional to 56,453.08, 77,908.76 and 31,302.58 is: 43,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,453.08 : 77,908.76 = 31,302.58 : x
  2. Step 2: Convert to fraction form
    56,453.08/77,908.76 = 31,302.58/x
  3. Step 3: Cross multiply
    56,453.08x = 77,908.76 × 31,302.58
  4. Step 4: Simplify right side
    56,453.08x = 2,438,745,192.60
  5. Step 5: Solve for x
    x = 2,438,745,192.60/56,453.08
  6. Step 6: Final answer
    x = 43,199.51

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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.