Home / 88,069.68-121,535.16-47,783.28

Finding the Fourth Proportional to 88,069.68, 121,535.16 and 47,783.28

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Solution

The fourth proportional to 88,069.68, 121,535.16 and 47,783.28 is: 65,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,069.68 : 121,535.16 = 47,783.28 : x
  2. Step 2: Convert to fraction form
    88,069.68/121,535.16 = 47,783.28/x
  3. Step 3: Cross multiply
    88,069.68x = 121,535.16 × 47,783.28
  4. Step 4: Simplify right side
    88,069.68x = 5,807,348,580.12
  5. Step 5: Solve for x
    x = 5,807,348,580.12/88,069.68
  6. Step 6: Final answer
    x = 65,940.38

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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.