Home / 82,128.94-113,337.93-44,403.19

Finding the Fourth Proportional to 82,128.94, 113,337.93 and 44,403.19

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Solution

The fourth proportional to 82,128.94, 113,337.93 and 44,403.19 is: 61,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,128.94 : 113,337.93 = 44,403.19 : x
  2. Step 2: Convert to fraction form
    82,128.94/113,337.93 = 44,403.19/x
  3. Step 3: Cross multiply
    82,128.94x = 113,337.93 × 44,403.19
  4. Step 4: Simplify right side
    82,128.94x = 5,032,565,523.16
  5. Step 5: Solve for x
    x = 5,032,565,523.16/82,128.94
  6. Step 6: Final answer
    x = 61,276.40

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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.