Home / 48,173.32-72,258.61-13,113.28

Finding the Fourth Proportional to 48,173.32, 72,258.61 and 13,113.28

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Solution

The fourth proportional to 48,173.32, 72,258.61 and 13,113.28 is: 19,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,173.32 : 72,258.61 = 13,113.28 : x
  2. Step 2: Convert to fraction form
    48,173.32/72,258.61 = 13,113.28/x
  3. Step 3: Cross multiply
    48,173.32x = 72,258.61 × 13,113.28
  4. Step 4: Simplify right side
    48,173.32x = 947,547,385.34
  5. Step 5: Solve for x
    x = 947,547,385.34/48,173.32
  6. Step 6: Final answer
    x = 19,669.55

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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.