Home / 92,836.74-128,068.11-62,583.78

Finding the Fourth Proportional to 92,836.74, 128,068.11 and 62,583.78

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Solution

The fourth proportional to 92,836.74, 128,068.11 and 62,583.78 is: 86,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,836.74 : 128,068.11 = 62,583.78 : x
  2. Step 2: Convert to fraction form
    92,836.74/128,068.11 = 62,583.78/x
  3. Step 3: Cross multiply
    92,836.74x = 128,068.11 × 62,583.78
  4. Step 4: Simplify right side
    92,836.74x = 8,014,986,421.26
  5. Step 5: Solve for x
    x = 8,014,986,421.26/92,836.74
  6. Step 6: Final answer
    x = 86,334.21

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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.