Home / 64,580.16-96,871.20-42,534.72

Finding the Fourth Proportional to 64,580.16, 96,871.20 and 42,534.72

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Solution

The fourth proportional to 64,580.16, 96,871.20 and 42,534.72 is: 63,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,580.16 : 96,871.20 = 42,534.72 : x
  2. Step 2: Convert to fraction form
    64,580.16/96,871.20 = 42,534.72/x
  3. Step 3: Cross multiply
    64,580.16x = 96,871.20 × 42,534.72
  4. Step 4: Simplify right side
    64,580.16x = 4,120,389,368.06
  5. Step 5: Solve for x
    x = 4,120,389,368.06/64,580.16
  6. Step 6: Final answer
    x = 63,802.71

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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.