Home / 90,396.46-124,762.98-52,149.34

Finding the Fourth Proportional to 90,396.46, 124,762.98 and 52,149.34

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Solution

The fourth proportional to 90,396.46, 124,762.98 and 52,149.34 is: 71,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,396.46 : 124,762.98 = 52,149.34 : x
  2. Step 2: Convert to fraction form
    90,396.46/124,762.98 = 52,149.34/x
  3. Step 3: Cross multiply
    90,396.46x = 124,762.98 × 52,149.34
  4. Step 4: Simplify right side
    90,396.46x = 6,506,307,063.43
  5. Step 5: Solve for x
    x = 6,506,307,063.43/90,396.46
  6. Step 6: Final answer
    x = 71,975.24

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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.