Home / 102,587.54-153,831.90-48,507.18

Finding the Fourth Proportional to 102,587.54, 153,831.90 and 48,507.18

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Solution

The fourth proportional to 102,587.54, 153,831.90 and 48,507.18 is: 72,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,587.54 : 153,831.90 = 48,507.18 : x
  2. Step 2: Convert to fraction form
    102,587.54/153,831.90 = 48,507.18/x
  3. Step 3: Cross multiply
    102,587.54x = 153,831.90 × 48,507.18
  4. Step 4: Simplify right side
    102,587.54x = 7,461,951,663.04
  5. Step 5: Solve for x
    x = 7,461,951,663.04/102,587.54
  6. Step 6: Final answer
    x = 72,737.41

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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.