Home / 103,483.68-142,775.36-60,432.11

Finding the Fourth Proportional to 103,483.68, 142,775.36 and 60,432.11

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Solution

The fourth proportional to 103,483.68, 142,775.36 and 60,432.11 is: 83,377.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,483.68 : 142,775.36 = 60,432.11 : x
  2. Step 2: Convert to fraction form
    103,483.68/142,775.36 = 60,432.11/x
  3. Step 3: Cross multiply
    103,483.68x = 142,775.36 × 60,432.11
  4. Step 4: Simplify right side
    103,483.68x = 8,628,216,006.80
  5. Step 5: Solve for x
    x = 8,628,216,006.80/103,483.68
  6. Step 6: Final answer
    x = 83,377.56

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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.