Home / 83,130.37-114,629.18-56,226.22

Finding the Fourth Proportional to 83,130.37, 114,629.18 and 56,226.22

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Solution

The fourth proportional to 83,130.37, 114,629.18 and 56,226.22 is: 77,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,130.37 : 114,629.18 = 56,226.22 : x
  2. Step 2: Convert to fraction form
    83,130.37/114,629.18 = 56,226.22/x
  3. Step 3: Cross multiply
    83,130.37x = 114,629.18 × 56,226.22
  4. Step 4: Simplify right side
    83,130.37x = 6,445,164,925.40
  5. Step 5: Solve for x
    x = 6,445,164,925.40/83,130.37
  6. Step 6: Final answer
    x = 77,530.81

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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.