Home / 47,087.84-64,998.28-31,177.42

Finding the Fourth Proportional to 47,087.84, 64,998.28 and 31,177.42

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Solution

The fourth proportional to 47,087.84, 64,998.28 and 31,177.42 is: 43,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,087.84 : 64,998.28 = 31,177.42 : x
  2. Step 2: Convert to fraction form
    47,087.84/64,998.28 = 31,177.42/x
  3. Step 3: Cross multiply
    47,087.84x = 64,998.28 × 31,177.42
  4. Step 4: Simplify right side
    47,087.84x = 2,026,478,551.31
  5. Step 5: Solve for x
    x = 2,026,478,551.31/47,087.84
  6. Step 6: Final answer
    x = 43,036.13

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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.