Home / 65,126.48-89,875.17-38,269.58

Finding the Fourth Proportional to 65,126.48, 89,875.17 and 38,269.58

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Solution

The fourth proportional to 65,126.48, 89,875.17 and 38,269.58 is: 52,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,126.48 : 89,875.17 = 38,269.58 : x
  2. Step 2: Convert to fraction form
    65,126.48/89,875.17 = 38,269.58/x
  3. Step 3: Cross multiply
    65,126.48x = 89,875.17 × 38,269.58
  4. Step 4: Simplify right side
    65,126.48x = 3,439,484,558.95
  5. Step 5: Solve for x
    x = 3,439,484,558.95/65,126.48
  6. Step 6: Final answer
    x = 52,812.39

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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.