Home / 85,298.15-117,715.53-47,565.11

Finding the Fourth Proportional to 85,298.15, 117,715.53 and 47,565.11

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Solution

The fourth proportional to 85,298.15, 117,715.53 and 47,565.11 is: 65,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298.15 : 117,715.53 = 47,565.11 : x
  2. Step 2: Convert to fraction form
    85,298.15/117,715.53 = 47,565.11/x
  3. Step 3: Cross multiply
    85,298.15x = 117,715.53 × 47,565.11
  4. Step 4: Simplify right side
    85,298.15x = 5,599,151,544.58
  5. Step 5: Solve for x
    x = 5,599,151,544.58/85,298.15
  6. Step 6: Final answer
    x = 65,642.13

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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.