Home / 65,915.84-90,895.68-45,795.52

Finding the Fourth Proportional to 65,915.84, 90,895.68 and 45,795.52

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Solution

The fourth proportional to 65,915.84, 90,895.68 and 45,795.52 is: 63,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,915.84 : 90,895.68 = 45,795.52 : x
  2. Step 2: Convert to fraction form
    65,915.84/90,895.68 = 45,795.52/x
  3. Step 3: Cross multiply
    65,915.84x = 90,895.68 × 45,795.52
  4. Step 4: Simplify right side
    65,915.84x = 4,162,614,931.35
  5. Step 5: Solve for x
    x = 4,162,614,931.35/65,915.84
  6. Step 6: Final answer
    x = 63,150.45

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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.