Home / 56,458.09-77,937.16-39,528.89

Finding the Fourth Proportional to 56,458.09, 77,937.16 and 39,528.89

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Solution

The fourth proportional to 56,458.09, 77,937.16 and 39,528.89 is: 54,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,458.09 : 77,937.16 = 39,528.89 : x
  2. Step 2: Convert to fraction form
    56,458.09/77,937.16 = 39,528.89/x
  3. Step 3: Cross multiply
    56,458.09x = 77,937.16 × 39,528.89
  4. Step 4: Simplify right side
    56,458.09x = 3,080,769,194.40
  5. Step 5: Solve for x
    x = 3,080,769,194.40/56,458.09
  6. Step 6: Final answer
    x = 54,567.37

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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.