Home / 103,712.10-143,140.55-60,098.53

Finding the Fourth Proportional to 103,712.10, 143,140.55 and 60,098.53

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Solution

The fourth proportional to 103,712.10, 143,140.55 and 60,098.53 is: 82,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,712.10 : 143,140.55 = 60,098.53 : x
  2. Step 2: Convert to fraction form
    103,712.10/143,140.55 = 60,098.53/x
  3. Step 3: Cross multiply
    103,712.10x = 143,140.55 × 60,098.53
  4. Step 4: Simplify right side
    103,712.10x = 8,602,536,638.39
  5. Step 5: Solve for x
    x = 8,602,536,638.39/103,712.10
  6. Step 6: Final answer
    x = 82,946.32

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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.