Home / 106,830.15-147,423.06-59,082.45

Finding the Fourth Proportional to 106,830.15, 147,423.06 and 59,082.45

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Solution

The fourth proportional to 106,830.15, 147,423.06 and 59,082.45 is: 81,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,830.15 : 147,423.06 = 59,082.45 : x
  2. Step 2: Convert to fraction form
    106,830.15/147,423.06 = 59,082.45/x
  3. Step 3: Cross multiply
    106,830.15x = 147,423.06 × 59,082.45
  4. Step 4: Simplify right side
    106,830.15x = 8,710,115,571.30
  5. Step 5: Solve for x
    x = 8,710,115,571.30/106,830.15
  6. Step 6: Final answer
    x = 81,532.37

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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.