Home / 101,784.15-140,462.97-56,465.10

Finding the Fourth Proportional to 101,784.15, 140,462.97 and 56,465.10

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Solution

The fourth proportional to 101,784.15, 140,462.97 and 56,465.10 is: 77,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,784.15 : 140,462.97 = 56,465.10 : x
  2. Step 2: Convert to fraction form
    101,784.15/140,462.97 = 56,465.10/x
  3. Step 3: Cross multiply
    101,784.15x = 140,462.97 × 56,465.10
  4. Step 4: Simplify right side
    101,784.15x = 7,931,255,647.35
  5. Step 5: Solve for x
    x = 7,931,255,647.35/101,784.15
  6. Step 6: Final answer
    x = 77,922.31

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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.