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Finding the Fourth Proportional to 64,828.60, 97,113.30 and 37,094.20

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Solution

The fourth proportional to 64,828.60, 97,113.30 and 37,094.20 is: 55,567.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,828.60 : 97,113.30 = 37,094.20 : x
  2. Step 2: Convert to fraction form
    64,828.60/97,113.30 = 37,094.20/x
  3. Step 3: Cross multiply
    64,828.60x = 97,113.30 × 37,094.20
  4. Step 4: Simplify right side
    64,828.60x = 3,602,340,172.86
  5. Step 5: Solve for x
    x = 3,602,340,172.86/64,828.60
  6. Step 6: Final answer
    x = 55,567.14

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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.