Home / 64,985.10-97,477.65-60,708.30

Finding the Fourth Proportional to 64,985.10, 97,477.65 and 60,708.30

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Solution

The fourth proportional to 64,985.10, 97,477.65 and 60,708.30 is: 91,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,985.10 : 97,477.65 = 60,708.30 : x
  2. Step 2: Convert to fraction form
    64,985.10/97,477.65 = 60,708.30/x
  3. Step 3: Cross multiply
    64,985.10x = 97,477.65 × 60,708.30
  4. Step 4: Simplify right side
    64,985.10x = 5,917,702,419.50
  5. Step 5: Solve for x
    x = 5,917,702,419.50/64,985.10
  6. Step 6: Final answer
    x = 91,062.45

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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.