Home / 67,509.36-93,035.16-55,499.76

Finding the Fourth Proportional to 67,509.36, 93,035.16 and 55,499.76

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Solution

The fourth proportional to 67,509.36, 93,035.16 and 55,499.76 is: 76,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,509.36 : 93,035.16 = 55,499.76 : x
  2. Step 2: Convert to fraction form
    67,509.36/93,035.16 = 55,499.76/x
  3. Step 3: Cross multiply
    67,509.36x = 93,035.16 × 55,499.76
  4. Step 4: Simplify right side
    67,509.36x = 5,163,429,051.56
  5. Step 5: Solve for x
    x = 5,163,429,051.56/67,509.36
  6. Step 6: Final answer
    x = 76,484.64

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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.