Home / 56,187.12-77,537.88-31,036.56

Finding the Fourth Proportional to 56,187.12, 77,537.88 and 31,036.56

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Solution

The fourth proportional to 56,187.12, 77,537.88 and 31,036.56 is: 42,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,187.12 : 77,537.88 = 31,036.56 : x
  2. Step 2: Convert to fraction form
    56,187.12/77,537.88 = 31,036.56/x
  3. Step 3: Cross multiply
    56,187.12x = 77,537.88 × 31,036.56
  4. Step 4: Simplify right side
    56,187.12x = 2,406,509,064.89
  5. Step 5: Solve for x
    x = 2,406,509,064.89/56,187.12
  6. Step 6: Final answer
    x = 42,830.26

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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.