Home / 77,023.74-106,295.58-42,568.77

Finding the Fourth Proportional to 77,023.74, 106,295.58 and 42,568.77

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Solution

The fourth proportional to 77,023.74, 106,295.58 and 42,568.77 is: 58,746.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,023.74 : 106,295.58 = 42,568.77 : x
  2. Step 2: Convert to fraction form
    77,023.74/106,295.58 = 42,568.77/x
  3. Step 3: Cross multiply
    77,023.74x = 106,295.58 × 42,568.77
  4. Step 4: Simplify right side
    77,023.74x = 4,524,872,097.04
  5. Step 5: Solve for x
    x = 4,524,872,097.04/77,023.74
  6. Step 6: Final answer
    x = 58,746.46

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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.