Home / 103,586.04-142,913.16-58,256.28

Finding the Fourth Proportional to 103,586.04, 142,913.16 and 58,256.28

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Solution

The fourth proportional to 103,586.04, 142,913.16 and 58,256.28 is: 80,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,586.04 : 142,913.16 = 58,256.28 : x
  2. Step 2: Convert to fraction form
    103,586.04/142,913.16 = 58,256.28/x
  3. Step 3: Cross multiply
    103,586.04x = 142,913.16 × 58,256.28
  4. Step 4: Simplify right side
    103,586.04x = 8,325,589,064.64
  5. Step 5: Solve for x
    x = 8,325,589,064.64/103,586.04
  6. Step 6: Final answer
    x = 80,373.66

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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.