Home / 105,538.68-158,312.88-58,756.32

Finding the Fourth Proportional to 105,538.68, 158,312.88 and 58,756.32

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Solution

The fourth proportional to 105,538.68, 158,312.88 and 58,756.32 is: 88,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,538.68 : 158,312.88 = 58,756.32 : x
  2. Step 2: Convert to fraction form
    105,538.68/158,312.88 = 58,756.32/x
  3. Step 3: Cross multiply
    105,538.68x = 158,312.88 × 58,756.32
  4. Step 4: Simplify right side
    105,538.68x = 9,301,882,237.40
  5. Step 5: Solve for x
    x = 9,301,882,237.40/105,538.68
  6. Step 6: Final answer
    x = 88,137.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.