Home / 55,080.18-76,006.35-31,210.59

Finding the Fourth Proportional to 55,080.18, 76,006.35 and 31,210.59

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Solution

The fourth proportional to 55,080.18, 76,006.35 and 31,210.59 is: 43,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.18 : 76,006.35 = 31,210.59 : x
  2. Step 2: Convert to fraction form
    55,080.18/76,006.35 = 31,210.59/x
  3. Step 3: Cross multiply
    55,080.18x = 76,006.35 × 31,210.59
  4. Step 4: Simplify right side
    55,080.18x = 2,372,203,027.25
  5. Step 5: Solve for x
    x = 2,372,203,027.25/55,080.18
  6. Step 6: Final answer
    x = 43,068.18

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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.