Home / 86,439.13-119,286.02-46,695.13

Finding the Fourth Proportional to 86,439.13, 119,286.02 and 46,695.13

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Solution

The fourth proportional to 86,439.13, 119,286.02 and 46,695.13 is: 64,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,439.13 : 119,286.02 = 46,695.13 : x
  2. Step 2: Convert to fraction form
    86,439.13/119,286.02 = 46,695.13/x
  3. Step 3: Cross multiply
    86,439.13x = 119,286.02 × 46,695.13
  4. Step 4: Simplify right side
    86,439.13x = 5,570,075,381.18
  5. Step 5: Solve for x
    x = 5,570,075,381.18/86,439.13
  6. Step 6: Final answer
    x = 64,439.28

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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.