Home / 56,080.61-77,391.35-30,587.01

Finding the Fourth Proportional to 56,080.61, 77,391.35 and 30,587.01

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Solution

The fourth proportional to 56,080.61, 77,391.35 and 30,587.01 is: 42,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,080.61 : 77,391.35 = 30,587.01 : x
  2. Step 2: Convert to fraction form
    56,080.61/77,391.35 = 30,587.01/x
  3. Step 3: Cross multiply
    56,080.61x = 77,391.35 × 30,587.01
  4. Step 4: Simplify right side
    56,080.61x = 2,367,169,996.36
  5. Step 5: Solve for x
    x = 2,367,169,996.36/56,080.61
  6. Step 6: Final answer
    x = 42,210.13

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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.