Home / 64,895.40-89,556.36-38,053.80

Finding the Fourth Proportional to 64,895.40, 89,556.36 and 38,053.80

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Solution

The fourth proportional to 64,895.40, 89,556.36 and 38,053.80 is: 52,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,895.40 : 89,556.36 = 38,053.80 : x
  2. Step 2: Convert to fraction form
    64,895.40/89,556.36 = 38,053.80/x
  3. Step 3: Cross multiply
    64,895.40x = 89,556.36 × 38,053.80
  4. Step 4: Simplify right side
    64,895.40x = 3,407,959,812.17
  5. Step 5: Solve for x
    x = 3,407,959,812.17/64,895.40
  6. Step 6: Final answer
    x = 52,514.66

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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.