Home / 56,160.08-77,498.88-31,009.04

Finding the Fourth Proportional to 56,160.08, 77,498.88 and 31,009.04

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Solution

The fourth proportional to 56,160.08, 77,498.88 and 31,009.04 is: 42,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.08 : 77,498.88 = 31,009.04 : x
  2. Step 2: Convert to fraction form
    56,160.08/77,498.88 = 31,009.04/x
  3. Step 3: Cross multiply
    56,160.08x = 77,498.88 × 31,009.04
  4. Step 4: Simplify right side
    56,160.08x = 2,403,165,869.88
  5. Step 5: Solve for x
    x = 2,403,165,869.88/56,160.08
  6. Step 6: Final answer
    x = 42,791.35

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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.