Home / 82,160.32-113,381.76-44,434.48

Finding the Fourth Proportional to 82,160.32, 113,381.76 and 44,434.48

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Solution

The fourth proportional to 82,160.32, 113,381.76 and 44,434.48 is: 61,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,160.32 : 113,381.76 = 44,434.48 : x
  2. Step 2: Convert to fraction form
    82,160.32/113,381.76 = 44,434.48/x
  3. Step 3: Cross multiply
    82,160.32x = 113,381.76 × 44,434.48
  4. Step 4: Simplify right side
    82,160.32x = 5,038,059,547.08
  5. Step 5: Solve for x
    x = 5,038,059,547.08/82,160.32
  6. Step 6: Final answer
    x = 61,319.86

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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.