Home / 103,655.58-143,051.97-58,337.93

Finding the Fourth Proportional to 103,655.58, 143,051.97 and 58,337.93

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Solution

The fourth proportional to 103,655.58, 143,051.97 and 58,337.93 is: 80,510.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,655.58 : 143,051.97 = 58,337.93 : x
  2. Step 2: Convert to fraction form
    103,655.58/143,051.97 = 58,337.93/x
  3. Step 3: Cross multiply
    103,655.58x = 143,051.97 × 58,337.93
  4. Step 4: Simplify right side
    103,655.58x = 8,345,355,812.22
  5. Step 5: Solve for x
    x = 8,345,355,812.22/103,655.58
  6. Step 6: Final answer
    x = 80,510.43

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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.