Home / 107,378.87-148,184.63-58,985.28

Finding the Fourth Proportional to 107,378.87, 148,184.63 and 58,985.28

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Solution

The fourth proportional to 107,378.87, 148,184.63 and 58,985.28 is: 81,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,378.87 : 148,184.63 = 58,985.28 : x
  2. Step 2: Convert to fraction form
    107,378.87/148,184.63 = 58,985.28/x
  3. Step 3: Cross multiply
    107,378.87x = 148,184.63 × 58,985.28
  4. Step 4: Simplify right side
    107,378.87x = 8,740,711,818.51
  5. Step 5: Solve for x
    x = 8,740,711,818.51/107,378.87
  6. Step 6: Final answer
    x = 81,400.67

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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.