Home / 93,156.35-128,556.25-50,715.19

Finding the Fourth Proportional to 93,156.35, 128,556.25 and 50,715.19

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Solution

The fourth proportional to 93,156.35, 128,556.25 and 50,715.19 is: 69,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,156.35 : 128,556.25 = 50,715.19 : x
  2. Step 2: Convert to fraction form
    93,156.35/128,556.25 = 50,715.19/x
  3. Step 3: Cross multiply
    93,156.35x = 128,556.25 × 50,715.19
  4. Step 4: Simplify right side
    93,156.35x = 6,519,754,196.26
  5. Step 5: Solve for x
    x = 6,519,754,196.26/93,156.35
  6. Step 6: Final answer
    x = 69,987.22

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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.