Home / 64,538.57-89,038.34-47,583.15

Finding the Fourth Proportional to 64,538.57, 89,038.34 and 47,583.15

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Solution

The fourth proportional to 64,538.57, 89,038.34 and 47,583.15 is: 65,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,538.57 : 89,038.34 = 47,583.15 : x
  2. Step 2: Convert to fraction form
    64,538.57/89,038.34 = 47,583.15/x
  3. Step 3: Cross multiply
    64,538.57x = 89,038.34 × 47,583.15
  4. Step 4: Simplify right side
    64,538.57x = 4,236,724,294.60
  5. Step 5: Solve for x
    x = 4,236,724,294.60/64,538.57
  6. Step 6: Final answer
    x = 65,646.39

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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.