Home / 101,851.57-140,553.04-56,526.93

Finding the Fourth Proportional to 101,851.57, 140,553.04 and 56,526.93

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Solution

The fourth proportional to 101,851.57, 140,553.04 and 56,526.93 is: 78,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,851.57 : 140,553.04 = 56,526.93 : x
  2. Step 2: Convert to fraction form
    101,851.57/140,553.04 = 56,526.93/x
  3. Step 3: Cross multiply
    101,851.57x = 140,553.04 × 56,526.93
  4. Step 4: Simplify right side
    101,851.57x = 7,945,031,853.37
  5. Step 5: Solve for x
    x = 7,945,031,853.37/101,851.57
  6. Step 6: Final answer
    x = 78,005.98

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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.