Home / 101,851.07-140,552.36-56,526.42

Finding the Fourth Proportional to 101,851.07, 140,552.36 and 56,526.42

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Solution

The fourth proportional to 101,851.07, 140,552.36 and 56,526.42 is: 78,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,851.07 : 140,552.36 = 56,526.42 : x
  2. Step 2: Convert to fraction form
    101,851.07/140,552.36 = 56,526.42/x
  3. Step 3: Cross multiply
    101,851.07x = 140,552.36 × 56,526.42
  4. Step 4: Simplify right side
    101,851.07x = 7,944,921,733.35
  5. Step 5: Solve for x
    x = 7,944,921,733.35/101,851.07
  6. Step 6: Final answer
    x = 78,005.28

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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.