Home / 81,962.40-113,114.16-46,156.32

Finding the Fourth Proportional to 81,962.40, 113,114.16 and 46,156.32

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Solution

The fourth proportional to 81,962.40, 113,114.16 and 46,156.32 is: 63,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,962.40 : 113,114.16 = 46,156.32 : x
  2. Step 2: Convert to fraction form
    81,962.40/113,114.16 = 46,156.32/x
  3. Step 3: Cross multiply
    81,962.40x = 113,114.16 × 46,156.32
  4. Step 4: Simplify right side
    81,962.40x = 5,220,933,365.49
  5. Step 5: Solve for x
    x = 5,220,933,365.49/81,962.40
  6. Step 6: Final answer
    x = 63,699.13

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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.