Home / 61,398.09-84,698.35-35,887.79

Finding the Fourth Proportional to 61,398.09, 84,698.35 and 35,887.79

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Solution

The fourth proportional to 61,398.09, 84,698.35 and 35,887.79 is: 49,507.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,398.09 : 84,698.35 = 35,887.79 : x
  2. Step 2: Convert to fraction form
    61,398.09/84,698.35 = 35,887.79/x
  3. Step 3: Cross multiply
    61,398.09x = 84,698.35 × 35,887.79
  4. Step 4: Simplify right side
    61,398.09x = 3,039,636,598.15
  5. Step 5: Solve for x
    x = 3,039,636,598.15/61,398.09
  6. Step 6: Final answer
    x = 49,507.02

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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.