Home / 86,034.45-129,051.54-56,445.24

Finding the Fourth Proportional to 86,034.45, 129,051.54 and 56,445.24

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Solution

The fourth proportional to 86,034.45, 129,051.54 and 56,445.24 is: 84,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,034.45 : 129,051.54 = 56,445.24 : x
  2. Step 2: Convert to fraction form
    86,034.45/129,051.54 = 56,445.24/x
  3. Step 3: Cross multiply
    86,034.45x = 129,051.54 × 56,445.24
  4. Step 4: Simplify right side
    86,034.45x = 7,284,345,147.67
  5. Step 5: Solve for x
    x = 7,284,345,147.67/86,034.45
  6. Step 6: Final answer
    x = 84,667.77

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1.5x scale

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.