Home / 93,125.70-139,688.55-64,986.30

Finding the Fourth Proportional to 93,125.70, 139,688.55 and 64,986.30

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Solution

The fourth proportional to 93,125.70, 139,688.55 and 64,986.30 is: 97,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,125.70 : 139,688.55 = 64,986.30 : x
  2. Step 2: Convert to fraction form
    93,125.70/139,688.55 = 64,986.30/x
  3. Step 3: Cross multiply
    93,125.70x = 139,688.55 × 64,986.30
  4. Step 4: Simplify right side
    93,125.70x = 9,077,842,016.87
  5. Step 5: Solve for x
    x = 9,077,842,016.87/93,125.70
  6. Step 6: Final answer
    x = 97,479.45

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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.