Home / 64,774.81-89,430.51-52,866.55

Finding the Fourth Proportional to 64,774.81, 89,430.51 and 52,866.55

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Solution

The fourth proportional to 64,774.81, 89,430.51 and 52,866.55 is: 72,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,774.81 : 89,430.51 = 52,866.55 : x
  2. Step 2: Convert to fraction form
    64,774.81/89,430.51 = 52,866.55/x
  3. Step 3: Cross multiply
    64,774.81x = 89,430.51 × 52,866.55
  4. Step 4: Simplify right side
    64,774.81x = 4,727,882,528.44
  5. Step 5: Solve for x
    x = 4,727,882,528.44/64,774.81
  6. Step 6: Final answer
    x = 72,989.52

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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.