Home / 96,915.84-145,373.76-53,416.32

Finding the Fourth Proportional to 96,915.84, 145,373.76 and 53,416.32

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Solution

The fourth proportional to 96,915.84, 145,373.76 and 53,416.32 is: 80,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,915.84 : 145,373.76 = 53,416.32 : x
  2. Step 2: Convert to fraction form
    96,915.84/145,373.76 = 53,416.32/x
  3. Step 3: Cross multiply
    96,915.84x = 145,373.76 × 53,416.32
  4. Step 4: Simplify right side
    96,915.84x = 7,765,331,283.76
  5. Step 5: Solve for x
    x = 7,765,331,283.76/96,915.84
  6. Step 6: Final answer
    x = 80,124.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.