Home / 56,188.20-77,534.10-31,036.08

Finding the Fourth Proportional to 56,188.20, 77,534.10 and 31,036.08

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Solution

The fourth proportional to 56,188.20, 77,534.10 and 31,036.08 is: 42,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,188.20 : 77,534.10 = 31,036.08 : x
  2. Step 2: Convert to fraction form
    56,188.20/77,534.10 = 31,036.08/x
  3. Step 3: Cross multiply
    56,188.20x = 77,534.10 × 31,036.08
  4. Step 4: Simplify right side
    56,188.20x = 2,406,354,530.33
  5. Step 5: Solve for x
    x = 2,406,354,530.33/56,188.20
  6. Step 6: Final answer
    x = 42,826.69

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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.