Home / 67,636.32-93,355.84-38,959.28

Finding the Fourth Proportional to 67,636.32, 93,355.84 and 38,959.28

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Solution

The fourth proportional to 67,636.32, 93,355.84 and 38,959.28 is: 53,774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,636.32 : 93,355.84 = 38,959.28 : x
  2. Step 2: Convert to fraction form
    67,636.32/93,355.84 = 38,959.28/x
  3. Step 3: Cross multiply
    67,636.32x = 93,355.84 × 38,959.28
  4. Step 4: Simplify right side
    67,636.32x = 3,637,076,242.20
  5. Step 5: Solve for x
    x = 3,637,076,242.20/67,636.32
  6. Step 6: Final answer
    x = 53,774.01

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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.