Home / 101,602.07-140,211.98-56,280.75

Finding the Fourth Proportional to 101,602.07, 140,211.98 and 56,280.75

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Solution

The fourth proportional to 101,602.07, 140,211.98 and 56,280.75 is: 77,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,602.07 : 140,211.98 = 56,280.75 : x
  2. Step 2: Convert to fraction form
    101,602.07/140,211.98 = 56,280.75/x
  3. Step 3: Cross multiply
    101,602.07x = 140,211.98 × 56,280.75
  4. Step 4: Simplify right side
    101,602.07x = 7,891,235,393.39
  5. Step 5: Solve for x
    x = 7,891,235,393.39/101,602.07
  6. Step 6: Final answer
    x = 77,668.06

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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.