Home / 55,869.21-77,114.03-36,999.45

Finding the Fourth Proportional to 55,869.21, 77,114.03 and 36,999.45

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Solution

The fourth proportional to 55,869.21, 77,114.03 and 36,999.45 is: 51,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,869.21 : 77,114.03 = 36,999.45 : x
  2. Step 2: Convert to fraction form
    55,869.21/77,114.03 = 36,999.45/x
  3. Step 3: Cross multiply
    55,869.21x = 77,114.03 × 36,999.45
  4. Step 4: Simplify right side
    55,869.21x = 2,853,176,512.29
  5. Step 5: Solve for x
    x = 2,853,176,512.29/55,869.21
  6. Step 6: Final answer
    x = 51,068.85

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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.