Home / 84,691.38-127,036.91-46,738.81

Finding the Fourth Proportional to 84,691.38, 127,036.91 and 46,738.81

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Solution

The fourth proportional to 84,691.38, 127,036.91 and 46,738.81 is: 70,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,691.38 : 127,036.91 = 46,738.81 : x
  2. Step 2: Convert to fraction form
    84,691.38/127,036.91 = 46,738.81/x
  3. Step 3: Cross multiply
    84,691.38x = 127,036.91 × 46,738.81
  4. Step 4: Simplify right side
    84,691.38x = 5,937,553,999.48
  5. Step 5: Solve for x
    x = 5,937,553,999.48/84,691.38
  6. Step 6: Final answer
    x = 70,108.13

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1.5x scale

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.