Home / 93,385.12-139,349.31-83,320.67

Finding the Fourth Proportional to 93,385.12, 139,349.31 and 83,320.67

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Solution

The fourth proportional to 93,385.12, 139,349.31 and 83,320.67 is: 124,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,385.12 : 139,349.31 = 83,320.67 : x
  2. Step 2: Convert to fraction form
    93,385.12/139,349.31 = 83,320.67/x
  3. Step 3: Cross multiply
    93,385.12x = 139,349.31 × 83,320.67
  4. Step 4: Simplify right side
    93,385.12x = 11,610,677,594.00
  5. Step 5: Solve for x
    x = 11,610,677,594.00/93,385.12
  6. Step 6: Final answer
    x = 124,331.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.