Home / 82,767.08-114,017.86-61,509.48

Finding the Fourth Proportional to 82,767.08, 114,017.86 and 61,509.48

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Solution

The fourth proportional to 82,767.08, 114,017.86 and 61,509.48 is: 84,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,767.08 : 114,017.86 = 61,509.48 : x
  2. Step 2: Convert to fraction form
    82,767.08/114,017.86 = 61,509.48/x
  3. Step 3: Cross multiply
    82,767.08x = 114,017.86 × 61,509.48
  4. Step 4: Simplify right side
    82,767.08x = 7,013,179,279.31
  5. Step 5: Solve for x
    x = 7,013,179,279.31/82,767.08
  6. Step 6: Final answer
    x = 84,733.92

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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.