Home / 85,728.28-118,300.91-47,485.25

Finding the Fourth Proportional to 85,728.28, 118,300.91 and 47,485.25

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Solution

The fourth proportional to 85,728.28, 118,300.91 and 47,485.25 is: 65,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,728.28 : 118,300.91 = 47,485.25 : x
  2. Step 2: Convert to fraction form
    85,728.28/118,300.91 = 47,485.25/x
  3. Step 3: Cross multiply
    85,728.28x = 118,300.91 × 47,485.25
  4. Step 4: Simplify right side
    85,728.28x = 5,617,547,695.07
  5. Step 5: Solve for x
    x = 5,617,547,695.07/85,728.28
  6. Step 6: Final answer
    x = 65,527.36

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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.