Home / 76,547.10-114,574.97-40,919.32

Finding the Fourth Proportional to 76,547.10, 114,574.97 and 40,919.32

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Solution

The fourth proportional to 76,547.10, 114,574.97 and 40,919.32 is: 61,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,547.10 : 114,574.97 = 40,919.32 : x
  2. Step 2: Convert to fraction form
    76,547.10/114,574.97 = 40,919.32/x
  3. Step 3: Cross multiply
    76,547.10x = 114,574.97 × 40,919.32
  4. Step 4: Simplify right side
    76,547.10x = 4,688,329,861.42
  5. Step 5: Solve for x
    x = 4,688,329,861.42/76,547.10
  6. Step 6: Final answer
    x = 61,247.65

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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.