Home / 105,547.70-158,321.86-25,585.35

Finding the Fourth Proportional to 105,547.70, 158,321.86 and 25,585.35

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Solution

The fourth proportional to 105,547.70, 158,321.86 and 25,585.35 is: 38,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,547.70 : 158,321.86 = 25,585.35 : x
  2. Step 2: Convert to fraction form
    105,547.70/158,321.86 = 25,585.35/x
  3. Step 3: Cross multiply
    105,547.70x = 158,321.86 × 25,585.35
  4. Step 4: Simplify right side
    105,547.70x = 4,050,720,323.17
  5. Step 5: Solve for x
    x = 4,050,720,323.17/105,547.70
  6. Step 6: Final answer
    x = 38,378.10

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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.