Home / 86,174.57-129,093.36-56,501.84

Finding the Fourth Proportional to 86,174.57, 129,093.36 and 56,501.84

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Solution

The fourth proportional to 86,174.57, 129,093.36 and 56,501.84 is: 84,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,174.57 : 129,093.36 = 56,501.84 : x
  2. Step 2: Convert to fraction form
    86,174.57/129,093.36 = 56,501.84/x
  3. Step 3: Cross multiply
    86,174.57x = 129,093.36 × 56,501.84
  4. Step 4: Simplify right side
    86,174.57x = 7,294,011,726.32
  5. Step 5: Solve for x
    x = 7,294,011,726.32/86,174.57
  6. Step 6: Final answer
    x = 84,642.28

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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.