Home / 93,219.68-139,825.45-30,038.39

Finding the Fourth Proportional to 93,219.68, 139,825.45 and 30,038.39

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Solution

The fourth proportional to 93,219.68, 139,825.45 and 30,038.39 is: 45,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,219.68 : 139,825.45 = 30,038.39 : x
  2. Step 2: Convert to fraction form
    93,219.68/139,825.45 = 30,038.39/x
  3. Step 3: Cross multiply
    93,219.68x = 139,825.45 × 30,038.39
  4. Step 4: Simplify right side
    93,219.68x = 4,200,130,699.90
  5. Step 5: Solve for x
    x = 4,200,130,699.90/93,219.68
  6. Step 6: Final answer
    x = 45,056.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.