Home / 71,467.12-98,579.64-46,315

Finding the Fourth Proportional to 71,467.12, 98,579.64 and 46,315

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Solution

The fourth proportional to 71,467.12, 98,579.64 and 46,315 is: 63,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,467.12 : 98,579.64 = 46,315 : x
  2. Step 2: Convert to fraction form
    71,467.12/98,579.64 = 46,315/x
  3. Step 3: Cross multiply
    71,467.12x = 98,579.64 × 46,315
  4. Step 4: Simplify right side
    71,467.12x = 4,565,716,026.60
  5. Step 5: Solve for x
    x = 4,565,716,026.60/71,467.12
  6. Step 6: Final answer
    x = 63,885.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.