Home / 77,332.41-115,847.58-53,312.46

Finding the Fourth Proportional to 77,332.41, 115,847.58 and 53,312.46

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Solution

The fourth proportional to 77,332.41, 115,847.58 and 53,312.46 is: 79,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,332.41 : 115,847.58 = 53,312.46 : x
  2. Step 2: Convert to fraction form
    77,332.41/115,847.58 = 53,312.46/x
  3. Step 3: Cross multiply
    77,332.41x = 115,847.58 × 53,312.46
  4. Step 4: Simplify right side
    77,332.41x = 6,176,119,474.85
  5. Step 5: Solve for x
    x = 6,176,119,474.85/77,332.41
  6. Step 6: Final answer
    x = 79,864.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.