Home / 93,225.90-128,651.10-50,784.45

Finding the Fourth Proportional to 93,225.90, 128,651.10 and 50,784.45

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Solution

The fourth proportional to 93,225.90, 128,651.10 and 50,784.45 is: 70,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.90 : 128,651.10 = 50,784.45 : x
  2. Step 2: Convert to fraction form
    93,225.90/128,651.10 = 50,784.45/x
  3. Step 3: Cross multiply
    93,225.90x = 128,651.10 × 50,784.45
  4. Step 4: Simplify right side
    93,225.90x = 6,533,475,355.40
  5. Step 5: Solve for x
    x = 6,533,475,355.40/93,225.90
  6. Step 6: Final answer
    x = 70,082.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.