Home / 103,635.52-155,608.80-59,312.32

Finding the Fourth Proportional to 103,635.52, 155,608.80 and 59,312.32

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Solution

The fourth proportional to 103,635.52, 155,608.80 and 59,312.32 is: 89,057.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.52 : 155,608.80 = 59,312.32 : x
  2. Step 2: Convert to fraction form
    103,635.52/155,608.80 = 59,312.32/x
  3. Step 3: Cross multiply
    103,635.52x = 155,608.80 × 59,312.32
  4. Step 4: Simplify right side
    103,635.52x = 9,229,518,940.42
  5. Step 5: Solve for x
    x = 9,229,518,940.42/103,635.52
  6. Step 6: Final answer
    x = 89,057.49

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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.