Home / 79,550.81-109,779.23-59,223.76

Finding the Fourth Proportional to 79,550.81, 109,779.23 and 59,223.76

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Solution

The fourth proportional to 79,550.81, 109,779.23 and 59,223.76 is: 81,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,550.81 : 109,779.23 = 59,223.76 : x
  2. Step 2: Convert to fraction form
    79,550.81/109,779.23 = 59,223.76/x
  3. Step 3: Cross multiply
    79,550.81x = 109,779.23 × 59,223.76
  4. Step 4: Simplify right side
    79,550.81x = 6,501,539,261.62
  5. Step 5: Solve for x
    x = 6,501,539,261.62/79,550.81
  6. Step 6: Final answer
    x = 81,728.13

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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.