Home / 56,254.40-84,403.20-55,368.80

Finding the Fourth Proportional to 56,254.40, 84,403.20 and 55,368.80

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Solution

The fourth proportional to 56,254.40, 84,403.20 and 55,368.80 is: 83,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,254.40 : 84,403.20 = 55,368.80 : x
  2. Step 2: Convert to fraction form
    56,254.40/84,403.20 = 55,368.80/x
  3. Step 3: Cross multiply
    56,254.40x = 84,403.20 × 55,368.80
  4. Step 4: Simplify right side
    56,254.40x = 4,673,303,900.16
  5. Step 5: Solve for x
    x = 4,673,303,900.16/56,254.40
  6. Step 6: Final answer
    x = 83,074.46

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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.