Home / 56,494.14-77,963.36-31,001.60

Finding the Fourth Proportional to 56,494.14, 77,963.36 and 31,001.60

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Solution

The fourth proportional to 56,494.14, 77,963.36 and 31,001.60 is: 42,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,494.14 : 77,963.36 = 31,001.60 : x
  2. Step 2: Convert to fraction form
    56,494.14/77,963.36 = 31,001.60/x
  3. Step 3: Cross multiply
    56,494.14x = 77,963.36 × 31,001.60
  4. Step 4: Simplify right side
    56,494.14x = 2,416,988,901.38
  5. Step 5: Solve for x
    x = 2,416,988,901.38/56,494.14
  6. Step 6: Final answer
    x = 42,783.00

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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.