Home / 99,774.36-137,706.18-59,490.60

Finding the Fourth Proportional to 99,774.36, 137,706.18 and 59,490.60

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Solution

The fourth proportional to 99,774.36, 137,706.18 and 59,490.60 is: 82,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,774.36 : 137,706.18 = 59,490.60 : x
  2. Step 2: Convert to fraction form
    99,774.36/137,706.18 = 59,490.60/x
  3. Step 3: Cross multiply
    99,774.36x = 137,706.18 × 59,490.60
  4. Step 4: Simplify right side
    99,774.36x = 8,192,223,271.91
  5. Step 5: Solve for x
    x = 8,192,223,271.91/99,774.36
  6. Step 6: Final answer
    x = 82,107.50

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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.