Home / 92,859.24-128,146.42-50,417.80

Finding the Fourth Proportional to 92,859.24, 128,146.42 and 50,417.80

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Solution

The fourth proportional to 92,859.24, 128,146.42 and 50,417.80 is: 69,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,859.24 : 128,146.42 = 50,417.80 : x
  2. Step 2: Convert to fraction form
    92,859.24/128,146.42 = 50,417.80/x
  3. Step 3: Cross multiply
    92,859.24x = 128,146.42 × 50,417.80
  4. Step 4: Simplify right side
    92,859.24x = 6,460,860,574.28
  5. Step 5: Solve for x
    x = 6,460,860,574.28/92,859.24
  6. Step 6: Final answer
    x = 69,576.93

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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.