Home / 64,864.13-89,466.05-42,160.77

Finding the Fourth Proportional to 64,864.13, 89,466.05 and 42,160.77

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Solution

The fourth proportional to 64,864.13, 89,466.05 and 42,160.77 is: 58,151.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,864.13 : 89,466.05 = 42,160.77 : x
  2. Step 2: Convert to fraction form
    64,864.13/89,466.05 = 42,160.77/x
  3. Step 3: Cross multiply
    64,864.13x = 89,466.05 × 42,160.77
  4. Step 4: Simplify right side
    64,864.13x = 3,771,957,662.26
  5. Step 5: Solve for x
    x = 3,771,957,662.26/64,864.13
  6. Step 6: Final answer
    x = 58,151.68

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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.