Home / 101,646.22-140,269.69-56,323.81

Finding the Fourth Proportional to 101,646.22, 140,269.69 and 56,323.81

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Solution

The fourth proportional to 101,646.22, 140,269.69 and 56,323.81 is: 77,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,646.22 : 140,269.69 = 56,323.81 : x
  2. Step 2: Convert to fraction form
    101,646.22/140,269.69 = 56,323.81/x
  3. Step 3: Cross multiply
    101,646.22x = 140,269.69 × 56,323.81
  4. Step 4: Simplify right side
    101,646.22x = 7,900,523,368.32
  5. Step 5: Solve for x
    x = 7,900,523,368.32/101,646.22
  6. Step 6: Final answer
    x = 77,725.70

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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.