Home / 101,822.11-140,509.65-56,499.55

Finding the Fourth Proportional to 101,822.11, 140,509.65 and 56,499.55

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Solution

The fourth proportional to 101,822.11, 140,509.65 and 56,499.55 is: 77,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,822.11 : 140,509.65 = 56,499.55 : x
  2. Step 2: Convert to fraction form
    101,822.11/140,509.65 = 56,499.55/x
  3. Step 3: Cross multiply
    101,822.11x = 140,509.65 × 56,499.55
  4. Step 4: Simplify right side
    101,822.11x = 7,938,731,995.66
  5. Step 5: Solve for x
    x = 7,938,731,995.66/101,822.11
  6. Step 6: Final answer
    x = 77,966.68

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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.