Home / 76,547.64-114,782.10-34,391.59

Finding the Fourth Proportional to 76,547.64, 114,782.10 and 34,391.59

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Solution

The fourth proportional to 76,547.64, 114,782.10 and 34,391.59 is: 51,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,547.64 : 114,782.10 = 34,391.59 : x
  2. Step 2: Convert to fraction form
    76,547.64/114,782.10 = 34,391.59/x
  3. Step 3: Cross multiply
    76,547.64x = 114,782.10 × 34,391.59
  4. Step 4: Simplify right side
    76,547.64x = 3,947,538,922.54
  5. Step 5: Solve for x
    x = 3,947,538,922.54/76,547.64
  6. Step 6: Final answer
    x = 51,569.70

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1.5x scale

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.