Home / 86,182.56-129,337.02-56,590.02

Finding the Fourth Proportional to 86,182.56, 129,337.02 and 56,590.02

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Solution

The fourth proportional to 86,182.56, 129,337.02 and 56,590.02 is: 84,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,182.56 : 129,337.02 = 56,590.02 : x
  2. Step 2: Convert to fraction form
    86,182.56/129,337.02 = 56,590.02/x
  3. Step 3: Cross multiply
    86,182.56x = 129,337.02 × 56,590.02
  4. Step 4: Simplify right side
    86,182.56x = 7,319,184,548.54
  5. Step 5: Solve for x
    x = 7,319,184,548.54/86,182.56
  6. Step 6: Final answer
    x = 84,926.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.