Home / 106,814.09-147,404.41-59,070.67

Finding the Fourth Proportional to 106,814.09, 147,404.41 and 59,070.67

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Solution

The fourth proportional to 106,814.09, 147,404.41 and 59,070.67 is: 81,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,814.09 : 147,404.41 = 59,070.67 : x
  2. Step 2: Convert to fraction form
    106,814.09/147,404.41 = 59,070.67/x
  3. Step 3: Cross multiply
    106,814.09x = 147,404.41 × 59,070.67
  4. Step 4: Simplify right side
    106,814.09x = 8,707,276,743.47
  5. Step 5: Solve for x
    x = 8,707,276,743.47/106,814.09
  6. Step 6: Final answer
    x = 81,518.05

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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.