Home / 93,526.60-140,289.90-76,905.40

Finding the Fourth Proportional to 93,526.60, 140,289.90 and 76,905.40

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Solution

The fourth proportional to 93,526.60, 140,289.90 and 76,905.40 is: 115,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,526.60 : 140,289.90 = 76,905.40 : x
  2. Step 2: Convert to fraction form
    93,526.60/140,289.90 = 76,905.40/x
  3. Step 3: Cross multiply
    93,526.60x = 140,289.90 × 76,905.40
  4. Step 4: Simplify right side
    93,526.60x = 10,789,050,875.46
  5. Step 5: Solve for x
    x = 10,789,050,875.46/93,526.60
  6. Step 6: Final answer
    x = 115,358.10

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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.