Home / 70,300.20-97,012.98-38,468.46

Finding the Fourth Proportional to 70,300.20, 97,012.98 and 38,468.46

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Solution

The fourth proportional to 70,300.20, 97,012.98 and 38,468.46 is: 53,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,300.20 : 97,012.98 = 38,468.46 : x
  2. Step 2: Convert to fraction form
    70,300.20/97,012.98 = 38,468.46/x
  3. Step 3: Cross multiply
    70,300.20x = 97,012.98 × 38,468.46
  4. Step 4: Simplify right side
    70,300.20x = 3,731,939,940.61
  5. Step 5: Solve for x
    x = 3,731,939,940.61/70,300.20
  6. Step 6: Final answer
    x = 53,085.77

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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.