Home / 75,715.75-104,390.69-62,053.50

Finding the Fourth Proportional to 75,715.75, 104,390.69 and 62,053.50

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Solution

The fourth proportional to 75,715.75, 104,390.69 and 62,053.50 is: 85,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,715.75 : 104,390.69 = 62,053.50 : x
  2. Step 2: Convert to fraction form
    75,715.75/104,390.69 = 62,053.50/x
  3. Step 3: Cross multiply
    75,715.75x = 104,390.69 × 62,053.50
  4. Step 4: Simplify right side
    75,715.75x = 6,477,807,681.92
  5. Step 5: Solve for x
    x = 6,477,807,681.92/75,715.75
  6. Step 6: Final answer
    x = 85,554.30

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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.