Home / 93,460.15-128,970.51-53,170.12

Finding the Fourth Proportional to 93,460.15, 128,970.51 and 53,170.12

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Solution

The fourth proportional to 93,460.15, 128,970.51 and 53,170.12 is: 73,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,460.15 : 128,970.51 = 53,170.12 : x
  2. Step 2: Convert to fraction form
    93,460.15/128,970.51 = 53,170.12/x
  3. Step 3: Cross multiply
    93,460.15x = 128,970.51 × 53,170.12
  4. Step 4: Simplify right side
    93,460.15x = 6,857,377,493.16
  5. Step 5: Solve for x
    x = 6,857,377,493.16/93,460.15
  6. Step 6: Final answer
    x = 73,372.21

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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.