Home / 65,624.10-98,436.15-43,316.70

Finding the Fourth Proportional to 65,624.10, 98,436.15 and 43,316.70

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Solution

The fourth proportional to 65,624.10, 98,436.15 and 43,316.70 is: 64,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,624.10 : 98,436.15 = 43,316.70 : x
  2. Step 2: Convert to fraction form
    65,624.10/98,436.15 = 43,316.70/x
  3. Step 3: Cross multiply
    65,624.10x = 98,436.15 × 43,316.70
  4. Step 4: Simplify right side
    65,624.10x = 4,263,929,178.71
  5. Step 5: Solve for x
    x = 4,263,929,178.71/65,624.10
  6. Step 6: Final answer
    x = 64,975.05

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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.