Home / 67,922.88-93,828.08-64,601.36

Finding the Fourth Proportional to 67,922.88, 93,828.08 and 64,601.36

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Solution

The fourth proportional to 67,922.88, 93,828.08 and 64,601.36 is: 89,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,922.88 : 93,828.08 = 64,601.36 : x
  2. Step 2: Convert to fraction form
    67,922.88/93,828.08 = 64,601.36/x
  3. Step 3: Cross multiply
    67,922.88x = 93,828.08 × 64,601.36
  4. Step 4: Simplify right side
    67,922.88x = 6,061,421,574.19
  5. Step 5: Solve for x
    x = 6,061,421,574.19/67,922.88
  6. Step 6: Final answer
    x = 89,239.76

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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.