Home / 66,005.55-91,208.16-48,069.18

Finding the Fourth Proportional to 66,005.55, 91,208.16 and 48,069.18

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Solution

The fourth proportional to 66,005.55, 91,208.16 and 48,069.18 is: 66,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,005.55 : 91,208.16 = 48,069.18 : x
  2. Step 2: Convert to fraction form
    66,005.55/91,208.16 = 48,069.18/x
  3. Step 3: Cross multiply
    66,005.55x = 91,208.16 × 48,069.18
  4. Step 4: Simplify right side
    66,005.55x = 4,384,301,460.51
  5. Step 5: Solve for x
    x = 4,384,301,460.51/66,005.55
  6. Step 6: Final answer
    x = 66,423.22

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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.