Home / 56,303.14-77,661.70-36,128.07

Finding the Fourth Proportional to 56,303.14, 77,661.70 and 36,128.07

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Solution

The fourth proportional to 56,303.14, 77,661.70 and 36,128.07 is: 49,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,303.14 : 77,661.70 = 36,128.07 : x
  2. Step 2: Convert to fraction form
    56,303.14/77,661.70 = 36,128.07/x
  3. Step 3: Cross multiply
    56,303.14x = 77,661.70 × 36,128.07
  4. Step 4: Simplify right side
    56,303.14x = 2,805,767,333.92
  5. Step 5: Solve for x
    x = 2,805,767,333.92/56,303.14
  6. Step 6: Final answer
    x = 49,833.23

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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.