Home / 77,050.58-106,258.64-59,146.34

Finding the Fourth Proportional to 77,050.58, 106,258.64 and 59,146.34

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Solution

The fourth proportional to 77,050.58, 106,258.64 and 59,146.34 is: 81,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,050.58 : 106,258.64 = 59,146.34 : x
  2. Step 2: Convert to fraction form
    77,050.58/106,258.64 = 59,146.34/x
  3. Step 3: Cross multiply
    77,050.58x = 106,258.64 × 59,146.34
  4. Step 4: Simplify right side
    77,050.58x = 6,284,809,649.38
  5. Step 5: Solve for x
    x = 6,284,809,649.38/77,050.58
  6. Step 6: Final answer
    x = 81,567.32

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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.