Home / 88,165.16-121,665.54-47,877.08

Finding the Fourth Proportional to 88,165.16, 121,665.54 and 47,877.08

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Solution

The fourth proportional to 88,165.16, 121,665.54 and 47,877.08 is: 66,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,165.16 : 121,665.54 = 47,877.08 : x
  2. Step 2: Convert to fraction form
    88,165.16/121,665.54 = 47,877.08/x
  3. Step 3: Cross multiply
    88,165.16x = 121,665.54 × 47,877.08
  4. Step 4: Simplify right side
    88,165.16x = 5,824,990,791.82
  5. Step 5: Solve for x
    x = 5,824,990,791.82/88,165.16
  6. Step 6: Final answer
    x = 66,069.08

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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.