Home / 85,579.51-118,090.63-47,332.98

Finding the Fourth Proportional to 85,579.51, 118,090.63 and 47,332.98

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Solution

The fourth proportional to 85,579.51, 118,090.63 and 47,332.98 is: 65,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,579.51 : 118,090.63 = 47,332.98 : x
  2. Step 2: Convert to fraction form
    85,579.51/118,090.63 = 47,332.98/x
  3. Step 3: Cross multiply
    85,579.51x = 118,090.63 × 47,332.98
  4. Step 4: Simplify right side
    85,579.51x = 5,589,581,427.98
  5. Step 5: Solve for x
    x = 5,589,581,427.98/85,579.51
  6. Step 6: Final answer
    x = 65,314.48

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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.