Home / 85,298.56-117,709.28-47,058.08

Finding the Fourth Proportional to 85,298.56, 117,709.28 and 47,058.08

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Solution

The fourth proportional to 85,298.56, 117,709.28 and 47,058.08 is: 64,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298.56 : 117,709.28 = 47,058.08 : x
  2. Step 2: Convert to fraction form
    85,298.56/117,709.28 = 47,058.08/x
  3. Step 3: Cross multiply
    85,298.56x = 117,709.28 × 47,058.08
  4. Step 4: Simplify right side
    85,298.56x = 5,539,172,714.98
  5. Step 5: Solve for x
    x = 5,539,172,714.98/85,298.56
  6. Step 6: Final answer
    x = 64,938.64

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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.