Home / 101,817.07-140,507.73-56,495.07

Finding the Fourth Proportional to 101,817.07, 140,507.73 and 56,495.07

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Solution

The fourth proportional to 101,817.07, 140,507.73 and 56,495.07 is: 77,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,817.07 : 140,507.73 = 56,495.07 : x
  2. Step 2: Convert to fraction form
    101,817.07/140,507.73 = 56,495.07/x
  3. Step 3: Cross multiply
    101,817.07x = 140,507.73 × 56,495.07
  4. Step 4: Simplify right side
    101,817.07x = 7,937,994,041.89
  5. Step 5: Solve for x
    x = 7,937,994,041.89/101,817.07
  6. Step 6: Final answer
    x = 77,963.29

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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.