Home / 53,376.32-80,038.02-31,195.28

Finding the Fourth Proportional to 53,376.32, 80,038.02 and 31,195.28

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Solution

The fourth proportional to 53,376.32, 80,038.02 and 31,195.28 is: 46,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,376.32 : 80,038.02 = 31,195.28 : x
  2. Step 2: Convert to fraction form
    53,376.32/80,038.02 = 31,195.28/x
  3. Step 3: Cross multiply
    53,376.32x = 80,038.02 × 31,195.28
  4. Step 4: Simplify right side
    53,376.32x = 2,496,808,444.55
  5. Step 5: Solve for x
    x = 2,496,808,444.55/53,376.32
  6. Step 6: Final answer
    x = 46,777.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.