Home / 104,001.26-143,521.77-58,688.87

Finding the Fourth Proportional to 104,001.26, 143,521.77 and 58,688.87

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Solution

The fourth proportional to 104,001.26, 143,521.77 and 58,688.87 is: 80,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,001.26 : 143,521.77 = 58,688.87 : x
  2. Step 2: Convert to fraction form
    104,001.26/143,521.77 = 58,688.87/x
  3. Step 3: Cross multiply
    104,001.26x = 143,521.77 × 58,688.87
  4. Step 4: Simplify right side
    104,001.26x = 8,423,130,501.70
  5. Step 5: Solve for x
    x = 8,423,130,501.70/104,001.26
  6. Step 6: Final answer
    x = 80,990.66

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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.