Home / 64,116.37-88,505.28-57,390.13

Finding the Fourth Proportional to 64,116.37, 88,505.28 and 57,390.13

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Solution

The fourth proportional to 64,116.37, 88,505.28 and 57,390.13 is: 79,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,116.37 : 88,505.28 = 57,390.13 : x
  2. Step 2: Convert to fraction form
    64,116.37/88,505.28 = 57,390.13/x
  3. Step 3: Cross multiply
    64,116.37x = 88,505.28 × 57,390.13
  4. Step 4: Simplify right side
    64,116.37x = 5,079,329,303.62
  5. Step 5: Solve for x
    x = 5,079,329,303.62/64,116.37
  6. Step 6: Final answer
    x = 79,220.48

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1.5x scale

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.