Home / 77,209.04-106,539.45-43,219.41

Finding the Fourth Proportional to 77,209.04, 106,539.45 and 43,219.41

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Solution

The fourth proportional to 77,209.04, 106,539.45 and 43,219.41 is: 59,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,209.04 : 106,539.45 = 43,219.41 : x
  2. Step 2: Convert to fraction form
    77,209.04/106,539.45 = 43,219.41/x
  3. Step 3: Cross multiply
    77,209.04x = 106,539.45 × 43,219.41
  4. Step 4: Simplify right side
    77,209.04x = 4,604,572,170.72
  5. Step 5: Solve for x
    x = 4,604,572,170.72/77,209.04
  6. Step 6: Final answer
    x = 59,637.74

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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.