Home / 59,333.45-81,782.39-42,111.77

Finding the Fourth Proportional to 59,333.45, 81,782.39 and 42,111.77

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Solution

The fourth proportional to 59,333.45, 81,782.39 and 42,111.77 is: 58,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,333.45 : 81,782.39 = 42,111.77 : x
  2. Step 2: Convert to fraction form
    59,333.45/81,782.39 = 42,111.77/x
  3. Step 3: Cross multiply
    59,333.45x = 81,782.39 × 42,111.77
  4. Step 4: Simplify right side
    59,333.45x = 3,444,000,894.10
  5. Step 5: Solve for x
    x = 3,444,000,894.10/59,333.45
  6. Step 6: Final answer
    x = 58,044.85

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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.