Home / 77,154.68-106,483.26-43,165.05

Finding the Fourth Proportional to 77,154.68, 106,483.26 and 43,165.05

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Solution

The fourth proportional to 77,154.68, 106,483.26 and 43,165.05 is: 59,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,154.68 : 106,483.26 = 43,165.05 : x
  2. Step 2: Convert to fraction form
    77,154.68/106,483.26 = 43,165.05/x
  3. Step 3: Cross multiply
    77,154.68x = 106,483.26 × 43,165.05
  4. Step 4: Simplify right side
    77,154.68x = 4,596,355,242.06
  5. Step 5: Solve for x
    x = 4,596,355,242.06/77,154.68
  6. Step 6: Final answer
    x = 59,573.26

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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.