Home / 64,973.48-89,664.16-38,116.45

Finding the Fourth Proportional to 64,973.48, 89,664.16 and 38,116.45

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Solution

The fourth proportional to 64,973.48, 89,664.16 and 38,116.45 is: 52,601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,973.48 : 89,664.16 = 38,116.45 : x
  2. Step 2: Convert to fraction form
    64,973.48/89,664.16 = 38,116.45/x
  3. Step 3: Cross multiply
    64,973.48x = 89,664.16 × 38,116.45
  4. Step 4: Simplify right side
    64,973.48x = 3,417,679,151.98
  5. Step 5: Solve for x
    x = 3,417,679,151.98/64,973.48
  6. Step 6: Final answer
    x = 52,601.14

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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.