Home / 90,315.54-124,596.14-63,475.58

Finding the Fourth Proportional to 90,315.54, 124,596.14 and 63,475.58

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Solution

The fourth proportional to 90,315.54, 124,596.14 and 63,475.58 is: 87,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,315.54 : 124,596.14 = 63,475.58 : x
  2. Step 2: Convert to fraction form
    90,315.54/124,596.14 = 63,475.58/x
  3. Step 3: Cross multiply
    90,315.54x = 124,596.14 × 63,475.58
  4. Step 4: Simplify right side
    90,315.54x = 7,908,812,252.26
  5. Step 5: Solve for x
    x = 7,908,812,252.26/90,315.54
  6. Step 6: Final answer
    x = 87,568.68

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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.