Home / 76,592.07-105,645.11-49,686.50

Finding the Fourth Proportional to 76,592.07, 105,645.11 and 49,686.50

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Solution

The fourth proportional to 76,592.07, 105,645.11 and 49,686.50 is: 68,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,592.07 : 105,645.11 = 49,686.50 : x
  2. Step 2: Convert to fraction form
    76,592.07/105,645.11 = 49,686.50/x
  3. Step 3: Cross multiply
    76,592.07x = 105,645.11 × 49,686.50
  4. Step 4: Simplify right side
    76,592.07x = 5,249,134,981.36
  5. Step 5: Solve for x
    x = 5,249,134,981.36/76,592.07
  6. Step 6: Final answer
    x = 68,533.66

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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.