Home / 103,117.24-142,302.06-58,405.24

Finding the Fourth Proportional to 103,117.24, 142,302.06 and 58,405.24

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Solution

The fourth proportional to 103,117.24, 142,302.06 and 58,405.24 is: 80,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,117.24 : 142,302.06 = 58,405.24 : x
  2. Step 2: Convert to fraction form
    103,117.24/142,302.06 = 58,405.24/x
  3. Step 3: Cross multiply
    103,117.24x = 142,302.06 × 58,405.24
  4. Step 4: Simplify right side
    103,117.24x = 8,311,185,966.79
  5. Step 5: Solve for x
    x = 8,311,185,966.79/103,117.24
  6. Step 6: Final answer
    x = 80,599.38

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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.