Home / 56,187.04-77,538.40-30,692.64

Finding the Fourth Proportional to 56,187.04, 77,538.40 and 30,692.64

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Solution

The fourth proportional to 56,187.04, 77,538.40 and 30,692.64 is: 42,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,187.04 : 77,538.40 = 30,692.64 : x
  2. Step 2: Convert to fraction form
    56,187.04/77,538.40 = 30,692.64/x
  3. Step 3: Cross multiply
    56,187.04x = 77,538.40 × 30,692.64
  4. Step 4: Simplify right side
    56,187.04x = 2,379,858,197.38
  5. Step 5: Solve for x
    x = 2,379,858,197.38/56,187.04
  6. Step 6: Final answer
    x = 42,356.00

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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.