Home / 56,009.40-77,258.80-33,333.20

Finding the Fourth Proportional to 56,009.40, 77,258.80 and 33,333.20

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Solution

The fourth proportional to 56,009.40, 77,258.80 and 33,333.20 is: 45,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,009.40 : 77,258.80 = 33,333.20 : x
  2. Step 2: Convert to fraction form
    56,009.40/77,258.80 = 33,333.20/x
  3. Step 3: Cross multiply
    56,009.40x = 77,258.80 × 33,333.20
  4. Step 4: Simplify right side
    56,009.40x = 2,575,283,032.16
  5. Step 5: Solve for x
    x = 2,575,283,032.16/56,009.40
  6. Step 6: Final answer
    x = 45,979.48

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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.