Home / 56,434.90-84,586.59-45,354.10

Finding the Fourth Proportional to 56,434.90, 84,586.59 and 45,354.10

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Solution

The fourth proportional to 56,434.90, 84,586.59 and 45,354.10 is: 67,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,434.90 : 84,586.59 = 45,354.10 : x
  2. Step 2: Convert to fraction form
    56,434.90/84,586.59 = 45,354.10/x
  3. Step 3: Cross multiply
    56,434.90x = 84,586.59 × 45,354.10
  4. Step 4: Simplify right side
    56,434.90x = 3,836,348,661.52
  5. Step 5: Solve for x
    x = 3,836,348,661.52/56,434.90
  6. Step 6: Final answer
    x = 67,978.30

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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.