Home / 71,055.36-98,051.08-40,840.76

Finding the Fourth Proportional to 71,055.36, 98,051.08 and 40,840.76

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Solution

The fourth proportional to 71,055.36, 98,051.08 and 40,840.76 is: 56,357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,055.36 : 98,051.08 = 40,840.76 : x
  2. Step 2: Convert to fraction form
    71,055.36/98,051.08 = 40,840.76/x
  3. Step 3: Cross multiply
    71,055.36x = 98,051.08 × 40,840.76
  4. Step 4: Simplify right side
    71,055.36x = 4,004,480,626.02
  5. Step 5: Solve for x
    x = 4,004,480,626.02/71,055.36
  6. Step 6: Final answer
    x = 56,357.19

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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.