Home / 84,403.59-116,422.02-54,140.96

Finding the Fourth Proportional to 84,403.59, 116,422.02 and 54,140.96

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Solution

The fourth proportional to 84,403.59, 116,422.02 and 54,140.96 is: 74,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,403.59 : 116,422.02 = 54,140.96 : x
  2. Step 2: Convert to fraction form
    84,403.59/116,422.02 = 54,140.96/x
  3. Step 3: Cross multiply
    84,403.59x = 116,422.02 × 54,140.96
  4. Step 4: Simplify right side
    84,403.59x = 6,303,199,345.83
  5. Step 5: Solve for x
    x = 6,303,199,345.83/84,403.59
  6. Step 6: Final answer
    x = 74,679.28

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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.