Home / 64,319.83-88,804.71-40,157.62

Finding the Fourth Proportional to 64,319.83, 88,804.71 and 40,157.62

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Solution

The fourth proportional to 64,319.83, 88,804.71 and 40,157.62 is: 55,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,319.83 : 88,804.71 = 40,157.62 : x
  2. Step 2: Convert to fraction form
    64,319.83/88,804.71 = 40,157.62/x
  3. Step 3: Cross multiply
    64,319.83x = 88,804.71 × 40,157.62
  4. Step 4: Simplify right side
    64,319.83x = 3,566,185,798.39
  5. Step 5: Solve for x
    x = 3,566,185,798.39/64,319.83
  6. Step 6: Final answer
    x = 55,444.58

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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.