Home / 86,554.24-119,369.76-56,328.32

Finding the Fourth Proportional to 86,554.24, 119,369.76 and 56,328.32

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Solution

The fourth proportional to 86,554.24, 119,369.76 and 56,328.32 is: 77,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,554.24 : 119,369.76 = 56,328.32 : x
  2. Step 2: Convert to fraction form
    86,554.24/119,369.76 = 56,328.32/x
  3. Step 3: Cross multiply
    86,554.24x = 119,369.76 × 56,328.32
  4. Step 4: Simplify right side
    86,554.24x = 6,723,898,039.60
  5. Step 5: Solve for x
    x = 6,723,898,039.60/86,554.24
  6. Step 6: Final answer
    x = 77,684.21

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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.