Home / 93,457.34-128,969.48-53,170.24

Finding the Fourth Proportional to 93,457.34, 128,969.48 and 53,170.24

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Solution

The fourth proportional to 93,457.34, 128,969.48 and 53,170.24 is: 73,373.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,457.34 : 128,969.48 = 53,170.24 : x
  2. Step 2: Convert to fraction form
    93,457.34/128,969.48 = 53,170.24/x
  3. Step 3: Cross multiply
    93,457.34x = 128,969.48 × 53,170.24
  4. Step 4: Simplify right side
    93,457.34x = 6,857,337,521.25
  5. Step 5: Solve for x
    x = 6,857,337,521.25/93,457.34
  6. Step 6: Final answer
    x = 73,373.99

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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.