Home / 70,875.18-106,312.92-66,544.92

Finding the Fourth Proportional to 70,875.18, 106,312.92 and 66,544.92

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Solution

The fourth proportional to 70,875.18, 106,312.92 and 66,544.92 is: 99,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,875.18 : 106,312.92 = 66,544.92 : x
  2. Step 2: Convert to fraction form
    70,875.18/106,312.92 = 66,544.92/x
  3. Step 3: Cross multiply
    70,875.18x = 106,312.92 × 66,544.92
  4. Step 4: Simplify right side
    70,875.18x = 7,074,584,756.37
  5. Step 5: Solve for x
    x = 7,074,584,756.37/70,875.18
  6. Step 6: Final answer
    x = 99,817.52

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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.