Home / 105,758.02-145,955.42-58,020.67

Finding the Fourth Proportional to 105,758.02, 145,955.42 and 58,020.67

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Solution

The fourth proportional to 105,758.02, 145,955.42 and 58,020.67 is: 80,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,758.02 : 145,955.42 = 58,020.67 : x
  2. Step 2: Convert to fraction form
    105,758.02/145,955.42 = 58,020.67/x
  3. Step 3: Cross multiply
    105,758.02x = 145,955.42 × 58,020.67
  4. Step 4: Simplify right side
    105,758.02x = 8,468,431,258.53
  5. Step 5: Solve for x
    x = 8,468,431,258.53/105,758.02
  6. Step 6: Final answer
    x = 80,073.66

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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.