Home / 94,890.80-142,336.20-59,985.20

Finding the Fourth Proportional to 94,890.80, 142,336.20 and 59,985.20

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Solution

The fourth proportional to 94,890.80, 142,336.20 and 59,985.20 is: 89,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,890.80 : 142,336.20 = 59,985.20 : x
  2. Step 2: Convert to fraction form
    94,890.80/142,336.20 = 59,985.20/x
  3. Step 3: Cross multiply
    94,890.80x = 142,336.20 × 59,985.20
  4. Step 4: Simplify right side
    94,890.80x = 8,538,065,424.24
  5. Step 5: Solve for x
    x = 8,538,065,424.24/94,890.80
  6. Step 6: Final answer
    x = 89,977.80

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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.