Home / 93,541.40-140,312.10-83,432.60

Finding the Fourth Proportional to 93,541.40, 140,312.10 and 83,432.60

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Solution

The fourth proportional to 93,541.40, 140,312.10 and 83,432.60 is: 125,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,541.40 : 140,312.10 = 83,432.60 : x
  2. Step 2: Convert to fraction form
    93,541.40/140,312.10 = 83,432.60/x
  3. Step 3: Cross multiply
    93,541.40x = 140,312.10 × 83,432.60
  4. Step 4: Simplify right side
    93,541.40x = 11,706,603,314.46
  5. Step 5: Solve for x
    x = 11,706,603,314.46/93,541.40
  6. Step 6: Final answer
    x = 125,148.90

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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.